How to install and uninstall Toshiba UDF 2.5 drivers in XP

[James]

There is an easy way to "trick" installation of the Toshiba UDF2.5 driver on non Toshiba PCs, so it may be "safer" to download it from Toshiba support website:

1.) Unpack it.
2.) Start setup.

It will tell you, that you cannot install it on your non-Toshiba PC.
DO NOT CLOSE THIS MESSAGE BOX.

Navigate to your temp directory with explorer. You'll find a directory named like this: {1347D5A6-4FE0-476A-B85F-D0FC91F55EB0}

Enter it. You'll find two files:
thdudf.inf and thdudf.sys

Right click thdudf.inf, select "Install".

Wait a while. Close the Message Box. Reboot.

[James]

First, install Toshiba UDF2.5 (see above).
If you add the attached registry entry, and you can uninstall it from Add/Remove Programs.

[profcolli]

First, install Toshiba UDF2.5 (see above).
If you add the attached registry entry, and you can uninstall it from Add/Remove Programs.Just asking - why would you want to uninstall it? Is there a known problem where this might be necessary? (This doesn't seem to be addressed in the other thread that you posted this info in originally.)

[SamuriHL]

Most people wouldn't. The person asking about an uninstall was simply curious if it COULD be uninstalled in case there was a problem. However, I've never heard of anyone having issues with it.

[James]

Just asking - why would you want to uninstall it?
No idea. I wouldn't want to live without it. ;)
But it is at least comforting that you *can* do it, for whatever reasons you want to. That's what this little registry patch provides.

[damnskippy]

Should be able to copy thdudf.inf and thdudf.sys to another directory and then close the installer. Then you can do the right click install anytime you want and not mess with the toshiba installer.

I don't have an XP machine to test this on but I doubt it relies on the toshiba process to do anything other than start the install from the INF. I could be wrong though :)

[SamuriHL]

Yes, that works just fine. I just did it on my work machine. :D (I have 0 need for UDF 2.5 on this machine, but, whatever. ;))

Also, for those having trouble finding it on Toshiba's website:

Toshiba UDF Driver (http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_dtlViewDL.jsp?soid=1284868&moid=1209148&rpn=PQG30U&BV_SessionID=@@@@0372422895.1204555071@@@@&BV_EngineID=ccchadedhgigjdhcgfkceghdgngdgnj.0&ct=DL&all_docs=false)

[Marde]

UPDATE2: Issue described below now resolved. Error found between chair and keyboard. See last sentence below for issue resolution.

Hi guys,
I did just as you instructed, launched the install program, I got the error window that says "can not install on your PC", I left the window open, went to find the thdudf.inf in the WINDOWS\TEMP dir. Could not find it. Did a search on entire C drive, for anything "thdudf", including hidden files/folders... Still no thdudf.*** file to be found. Bummer. Obviously something wrong with me, and/or my XP PC,... any of you guys got any ideas about this hickup I'm having?

I tried the install twice with same results. I have not done a sys reboot yet, but I will reboot later and try this all over again...
Cheers!

UPDATE: Same problem after reboot. I will update this post again after attempting this s/w install on my other XP box.

UPDATE2+: I missed finding the thdudf.inf during my automated search of C drive... somehow <blush>. My error was somewhat due to assuming <grin> that the file would be at the WINDOWS\TEMP dir, but I now see that the TEMP dir is located at C:\Documents and Settings\XXUserNameXX\Local Settings\Temp\{1347D5A6-4FE0-476A-B85F-D0FC91F55EB0}

My apologies for the goof-up... and many thanks to everyone for your forum contributions... that get many of us off the ground.

[Pagali]

UPDATE2+: I missed finding the thdudf.inf during my automated search of C drive... somehow <blush>. My error was somewhat due to assuming <grin> that the file would be at the WINDOWS\TEMP dir, but I now see that the TEMP dir is located at C:\Documents and Settings\XXUserNameXX\Local Settings\Temp\{1347D5A6-4FE0-476A-B85F-D0FC91F55EB0}

Thanks for this info, but I'd like to also point out that if your system is set to hide system folders and files (the default with XP I think?), you still won't find even the Local Settings folder, much less the necessary temp folder. :D

[MehdiAnis]

Here is the actual driver files. I run WinXpPro 32bit, so this will be a 32bit driver. If you have WindowsXp 32bit, just unzip and right click on the INI file to INSTALL. No more chasing the ghost in the TEMP folder.

Thanks to OP and other pioneers.

[Pagali]

Here is the actual driver files. I run WinXpPro 32bit, so this will be a 32bit driver. If you have WindowsXp 32bit, just unzip and right click on the INI file to INSTALL. No more chasing the ghost in the TEMP folder.

Thanks to OP and other pioneers.

That's very helpful, MehdiAnis! Thank you very much.

[gt_grad]

I downloaded the WinXp UDF 2.50 Drivers.zip from Slysoft forum and after I unziped the file, I found the thdudf.ini and thdudf.sys files. I followed the instruction from the forum to run Set Up application and got an error which said that I can not install it in the non Toshiba machine. I did not close the error message and made a right click to the thdudf.ini file. It gave me an option to Open instead of Install. When click on Open, and the thdudf.ini was opened on Notepad. I closed the file, rebooted the machine and the Windows Explorer stills could not open the files from Blue Ray disc... Not sure what I did wrong here...I have a Windows XP Pro SP3... Any help are welcome..

[profcolli]

I downloaded the WinXp UDF 2.50 Drivers.zip from Slysoft forum and after I unziped the file, I found the thdudf.ini and thdudf.sys files. I followed the instruction from the forum to run Set Up application and got an error which said that I can not install it in the non Toshiba machine. I did not close the error message and made a right click to the thdudf.ini file. It gave me an option to Open instead of Install. When click on Open, and the thdudf.ini was opened on Notepad. I closed the file, rebooted the machine and the Windows Explorer stills could not open the files from Blue Ray disc... Not sure what I did wrong here...I have a Windows XP Pro SP3... Any help are welcome..There should be an executable file which will install the drivers.
Try this attached zip file (from Toshiba).

[Sysmic Wave]

I downloaded the WinXp UDF 2.50 Drivers.zip from Slysoft forum and after I unziped the file, I found the thdudf.ini and thdudf.sys files. I followed the instruction from the forum to run Set Up application and got an error which said that I can not install it in the non Toshiba machine. I did not close the error message and made a right click to the thdudf.ini file. It gave me an option to Open instead of Install. When click on Open, and the thdudf.ini was opened on Notepad. I closed the file, rebooted the machine and the Windows Explorer stills could not open the files from Blue Ray disc... Not sure what I did wrong here...I have a Windows XP Pro SP3... Any help are welcome..

Install should be second in the list when you right click on the file...unless SP3 does something to the file properties menu?

I'm running SP2

[tj007s13]

I just wanted to post this incase someone else was having the same problems as me.

I just recently downgraded back to XP Pro from Vista Ultimate. Vista kept crashing and XP was always rock hard stable. That's besides the point. I couldn't even browse my BR Drive, so I found this thread and installed the UDF toshiba driver and worked like a charm at first. I could see all the files and rip them just fine. However if I tried to just watch the movies with or without anydvd running using WinDVD 9 Plus or PowerDVD 8 Ultra, both would provide super choppy playback. I knew it wasn't my computer as I'm on an overclocked quad core. Q6600 @ 3.6Ghz. I uninstalled the original toshiba driver 2.5 and uninstalled both WinDVD 9 Plus and PowerDVD 8 Ultra. I then re-installed WinDVD 9 Plus and playback was 100% perfect, and I could view the disc. Apparently these two pieces of software hated that Toshiba UDF driver and it took me a while to figure out why all the stutter. Maybe this will help someone else ;)

[-Neo-aeduardors]

a try this driver.

[Chumbo]

Here is the actual driver files. I run WinXpPro 32bit, so this will be a 32bit driver. If you have WindowsXp 32bit, just unzip and right click on the INI file to INSTALL. No more chasing the ghost in the TEMP folder.

Thanks to OP and other pioneers.
Hi,
Just something I noticed since I'm one of those who changes his temp file location. You might want to change the included shortcut (TempFolder) to the temp folder so it's safer, i.e., dont' assume c:\documents and settings....

Windows uses %temp% to point to the user's temp folder which is a safer way to go. Just a thought. ;)

[Validator]

So you've got an unistaller for it and I would like to recommend you to use it.

Here is why:

http://support.microsoft.com/kb/952011/en-us

Have a look at the key features. And:
This should come with windows update too. :rock:

[Tayvl]

Here is the actual driver files. I run WinXpPro 32bit, so this will be a 32bit driver. If you have WindowsXp 32bit, just unzip and right click on the INI file to INSTALL. No more chasing the ghost in the TEMP folder.

Thanks to OP and other pioneers.

There's no .ini file in the folder.

[profcolli]

So you've got an unistaller for it and I would like to recommend you to use it.

Here is why:

http://support.microsoft.com/kb/952011/en-us

Have a look at the key features. And:
This should come with windows update too. :rock:Why uninstall something that works and replace it with something that might not?
Known issues
Optical devices that do not correctly implement the optical device standard may not work after you install this update. This includes virtual devices.

[Tammap]

James please hold my hand, I don't know how to find the temp directory...Thanks

[hola6]

Can anybody recomend one of two UDF 2.5 drivers:

Toshiba (UDF2.5 drivers) vs Microsoft (IMAPIv2.0)

Regards.

[hola6]

I've uninstalled the Toshiba drivers and installed the Microsoft drivers. Then I couldn't see anything in the 'File Explorer' when I mounted a bluray iso film.
I've installed again the Toshiba drivers and I saw again the files of bluray iso.

Recomendation: don't you uninstall the Toshiba drivers althought you can install the Microsoft drivers (I don't know the utility of this drivers of Microsoft).

Regards.

[Finfid]

I'd like to thank the people that did the work to make this solution possible. The fact that it is really so simple once you have the toshiba files makes me weep yet again and ever more for Microsoft.

[mike_r]

James please hold my hand, I don't know how to find the temp directory...Thanks

XP
press the windows symbol button (bottom right), then RUN. Type TEMP and press enter.

Vista
press the windows symbol button (bottom right), Type TEMP in the search field and press enter, and click the folder icon.

[danwader]

I'm running XP Pro version 2002, Service Pack 3, and when I right click on the .inf file, the only items on the menu are "Open," "Cut," "Copy," "Delete," and "Properties." There is no "Install."

[danwader]

I was trying to install from inside the zip folder... never mind.

[danwader]

Got it to install and then re-booted, to no avail. Still says "No disc in drive D:"

[Adbear]

what drive are you using?

[danwader]

My drive is an LG GGW-H20. I have it working great now. It seems to me that the problem is a bug in the PowerDVD software, since it works as long as I follow this procedure:
1. Do not just fire up the PowerDVD program, but go through the Cyberlink Hi-Def Suite program and choose "Watch and HD DVD Movie" no matter what type of disk you are actually going to watch.
2. Do not put the disk in until the Hi-Def Suite has already booted up the PowerDVD program.

[Adbear]

I've installed this model drive in over a hundred systems and have had no problems just running PDVD without going through the Hi-def suite interface, it seems it's more likely a conflict on your system

[joseywales]

I apologize if I'm missing something that's already been addressed but I simply cannot get the UDF 2.5 driver to install on my XP Pro rig. See, I've not been able to get my new LG GGW-H20L to play a single Blu-ray disc yet, and throughout my search for a resolution I was directed to this thread by a fellow Afterdawn.com member. I've looked over the posts numerous times and tried as best I can to install the Toshiba UDF 2.5 driver in a manner described, but I'm either missing something in the posts or there's a bigger issue.

I downloaded the zipped version posted in this thread (for the 32-bit version of Windows XP Pro), unzipped it and tried various methods to install it but haven't gotten any further than the screen that says, "It is not possible to install on this system."

I've checked the aforementioned TEMP directory but mine is completely empty of any files/entries.

Can someone please take a stab at why this is happening and, more importantly, tell me how to install this driver.....please!?!?

TYIA!

Regards,

joseywales

[Pagali]

Did you follow the method described in Post #10 ( http://forum.slysoft.com/showpost.php?p=152306&postcount=10 ) with the file there? You don't run anything, you don't have to look in any temp directory... just unzip the downloaded zip file to your computer, then right-click on "thdudf.inf" and choose "Install."

[Bluer]

I apologize if I'm missing something that's already been addressed but I simply cannot get the UDF 2.5 driver to install on my XP Pro rig. See, I've not been able to get my new LG GGW-H20L to play a single Blu-ray disc yet, and throughout my search for a resolution I was directed to this thread by a fellow Afterdawn.com member. I've looked over the posts numerous times and tried as best I can to install the Toshiba UDF 2.5 driver in a manner described, but I'm either missing something in the posts or there's a bigger issue.

I downloaded the zipped version posted in this thread (for the 32-bit version of Windows XP Pro), unzipped it and tried various methods to install it but haven't gotten any further than the screen that says, "It is not possible to install on this system."

I've checked the aforementioned TEMP directory but mine is completely empty of any files/entries.

Can someone please take a stab at why this is happening and, more importantly, tell me how to install this driver.....please!?!?

TYIA!

Regards,

joseywales

You are the same person asking about this on the afterdawn site. Go to that thread and follow the latest instructions.

[BenBau]

I found one issue: my PC (XP32 SP3) bluescreens when I put a multisession data BD-R in the drive and try to see it's contents with explorer. I burned the disc using Nero 7.11.10.0. Using IsoBuster to read the contents and to "extract" files from the Blu-Ray works fine.

Uninstalling the UDF driver resolved the bluescreening, but naturally I cannot see the contents of a single session Blu-Ray (like a movie) anymore.

[denzke2009]

Can anyone help because I'm not able to use Cyberlink PowerDVD ver 7.3 to play my Blu ray disc after installing Toshiba UDF2.5 driver. Each time I placed a blu ray disc in my BD Rom drive , it always prompted me the following information:

"CyberLink PowerDVD does not support Blu Ray Disc playback on a virtual device. A Blu Ray Disc must be inserted into a BD-ROM Drive for playback

At the same time, I have no idea where should I placed the uninstall attached regsitry entry file provided by JAMES so that I can remove the UDF2.5 driver at the ADD/REMOVE PROGRAM.

Thanks for your assistance.

Denzk2009

[fatmanpdd]

Is there a XP 64bit version of this driver?

[profcolli]

Can anyone help because I'm not able to use Cyberlink PowerDVD ver 7.3 to play my Blu ray disc after installing Toshiba UDF2.5 driver. Each time I placed a blu ray disc in my BD Rom drive , it always prompted me the following information:

"CyberLink PowerDVD does not support Blu Ray Disc playback on a virtual device. A Blu Ray Disc must be inserted into a BD-ROM Drive for playback

At the same time, I have no idea where should I placed the uninstall attached regsitry entry file provided by JAMES so that I can remove the UDF2.5 driver at the ADD/REMOVE PROGRAM.

Thanks for your assistance.

Denzk2009Assuming you have anydvd hd, you can check the option in settings for "PowerDVD 'virtual drive detected' workaround" (under video bluray). If you really want to uninstall the UDF drivers, just right click on the registry entry file (you have to extract it from the zip file first) and select merge, then go to add/remove programs and select uninstall for the Toshiba UDF drivers.

Sounds more like you have a borked system, as there is no reason for your BD drive to be seen as a virtual device.

[yurshmily]

Is there a XP 64bit version of this driver?

I am also running XP X64 and have been unsuccessful in finding a driver that will show a bluray being in the drive. I installed the Panasonic UDF driver which showed me the disc was in the drive but when I tried to play it with PowerDVD I got a message that it was an "Unrecognized Format" I also tried the microsoft fix which did nothing. Any help will be much appreciated.

[Clancy_s]

I am also running XP X64 and have been unsuccessful in finding a driver that will show a bluray being in the drive. I installed the Panasonic UDF driver which showed me the disc was in the drive but when I tried to play it with PowerDVD I got a message that it was an "Unrecognized Format" I also tried the microsoft fix which did nothing. Any help will be much appreciated.

Which microsoft file did you use and what happened? I too am using XP x64 (and don't want to upgrade because it doesn't fight my linux install). As far as I can see Microsoft doesn't offer a version for XP x64 - there's X86 and X64 for Vista and server 2003 but only an x86 version for XP.

eta: when I posted the above I was researching, since I use windows rarely I'm not all that skilled with it (Blu-ray in Linux unfortunately is problematic atm).

So, after booting into XP x64 I ran all the updates - first the high priority ones, then all the available updates for both software and hardware, rebooting along the way as update required.

After the final update, and before trying the Panasonic UDF x64 driver I tried a bluray disk (rental, first time for that too) and powerDVD opened and played it OK (after it too had had an update). More interestingly Windows explorer also opened and displayed the contents of the disk, and I can navigate around it OK. I didn't see the IMAPI update listed specifically anywhere but since I didn't install the Panasonic driver I assume somewhere along the line in the optional updates I got the microsoft UDF2.5 driver for XP x64.

[Rarr]

It's probably useable
http://support.microsoft.com/kb/952011

[kreetom]

the toshiba driver is still the best bet

the microsoft imapi stuff doesnt seem to work with any degree of consistency. stick to the toshiba driver

[James]

It's probably useable
http://support.microsoft.com/kb/952011

I tried it, can't read BD under XP. :( Reverted back to the Toshiba driver.

[Bluer]

Micro$oft being in bed with the MPAA makes it unlikely they would create a workable driver to run BD on a Window$ platform.

But thanks for the link Rarr; I expect the "driver" is just a diversion, and intended to make half-hearted newbies give up. Now people will know.

[SamuriHL]

Micro$oft being in bed with the MPAA makes it unlikely they would create a workable driver to run BD on a Window$ platform.

But thanks for the link Rarr; I expect the "driver" is just a diversion, and intended to make half-hearted newbies give up. Now people will know.

Right, cause, you know, Vista and Windows 7 has such huge problems with this. :bang: Let's not create nonsensical conspiracy theories where they don't exist. MS is simply not going to put resources into an 8 year old OS that is near EOL.

[Rarr]

Thanx for info, guys, even it was not good news :)

I'm just on my way under XP64

[James]

MS is simply not going to put resources into an 8 year old OS that is near EOL.

The description in the KB article hinted, that they did... maybe it was wishful thinking on my part.

[SamuriHL]

The description in the KB article hinted, that they did... maybe it was wishful thinking on my part.

That's what they claimed, yea, but, no one I know has ever gotten it to work. Yet Vista and 7 are completely fine and don't need any external help, so, clearly it's not a conspiracy issue. Not sure why they couldn't ever get it to work right on XP, but, I think they want people to move away from it at this point anyway.

[Bluer]

...I think they want people to move away from it at this point anyway.Aha! I knew it was a conspiracy! :D

[SamuriHL]

Aha! I knew it was a conspiracy! :D

Well, you got me there. :D Of course, I'm of the opinion once you try 7 you'll never want to go back, but, that's just me. It always amazes me that people "stick with what works" even when it doesn't. ;)

[Clancy_s]

Thanx for info, guys, even it was not good news :)

I'm just on my way under XP64

So far the microsoft drivers are working for me under XP64...

Toshiba not being available I'll stick with them, and post back if I have a problem.

[James]

So far the microsoft drivers are working for me under XP64...

Toshiba not being available I'll stick with them, and post back if I have a problem.

Erm... I see no MS drivers for XP64. Do you have a link?

[Clancy_s]

Erm... I see no MS drivers for XP64. Do you have a link?

Alas no: I didn't install them by themselves, I presume they came with a series of updates.

To recap: I have an install of XP64 I rarely use (mostly I'm in ubuntu). I booted into XP for the first time in months, ran all the Microsoft updates (ie optional as well as critical) available, which took several reboots and rechecks for updates.

This was preparation for installing the MEIUDF drivers for XP64 since they were the only ones I could find. I wanted to check my region BD playback was working OK before I did since I'd read reports of the MEIUDF drivers breaking PDVD for some people.

Not only did PDVD work fine but I found I can now read Bluray discs in windows explorer. I haven't installed any third party drivers ever, nor even AnyHDDVD yet, so I assume the udf 2.5 drivers came somewhere in the updates.

[ASDyxc]

The Toshiba UDF 2.5 driver considerably destabilized two of my XP SP3 PCs:

Example 1: When a SDHC card was removed from a slot and an Explorer window "looked" to this card the same time this Explorer window crashed. It even could not be killed with the Task Manger.

Example 2: When a DVD was removed from a drive and an Explorer window "looked" to this drive the same time this Explorer window crashed. It even could not be killed with the Task Manger.

Example 3: When an USB Stick was removed from a socket and an Explorer window "looked" to this USB stick the same time this Explorer window crashed. It even could not be killed with the Task Manger.

I got many Blue Sreens out if the a.m. situations.
If "Safely Remove Hardware" was successful in the situations of example 1 - 3 no problem occurred.



After uninstalling the Toshiba driver with ToshUDFuninstall.zip (http://forum.slysoft.com/showpost.php?p=102690&postcount=2) problems are gone.

[lowax]

Here is the actual driver files. I run WinXpPro 32bit, so this will be a 32bit driver. If you have WindowsXp 32bit, just unzip and right click on the INI file to INSTALL. No more chasing the ghost in the TEMP folder.

Thanks to OP and other pioneers.

Thanks for this WinXpPro 32bit file.
After install/reboot I could see the dir structure of my AVCHD in XP.
and could extract the m2ts file which I could play with a SRT(subs) on my mediaplayer WD HDTV!!

An other way is to install windows 7 (eg. under VMWare).
It support UDF 2.5 right away without any install.:agree:


Thx a lot.

[mrmajesto]

I have found the files mentioned but I am also getting the message "THE INF FILE YOU HAVE SELECTED DOESNT SUPPORT YOUR METHOD OF INSTELLATION"

[challen66]

I downloaded your zip file and would like to know while file I download. I tried this and it doesn't have .inf or .sys at the end of the files. I would very much like to get my Xbox HD player to run on my PC.

Thanks much!

[Adbear]

I have found the files mentioned but I am also getting the message "THE INF FILE YOU HAVE SELECTED DOESNT SUPPORT YOUR METHOD OF INSTELLATION"

Vista already has a UDF 2.5 driver built in so you don't need this

[Adbear]

I downloaded your zip file and would like to know while file I download. I tried this and it doesn't have .inf or .sys at the end of the files. I would very much like to get my Xbox HD player to run on my PC.

Thanks much!

Did you unpack the zip file?

[scsi.king]

I downloaded the udf driver, installed the inf, rebooted, but still can't read a windows 7 disk on xp that someone sent us. I can read it fine a win 7 desktop, but still can't read it on the xp machine. Image burn claims the DVD was burned with udf 2.01, but I read that win 7 uses udf 2.5, so not sure where the hang up is. XP just shows a blank disk when I insert it to XP.

[Hawk]

If imgburn tell you UDF 2.01 was used then indeed it was the version used. Not the one you read.

[GASpangler]

BluRays are now working on my XP Pro SP3 desktop. Before the Toshiba driver, Windows gave the 'cannot read' error message. Many Thanks !

I found there was a UDF file system driver v. 5.1.2600.5512 from MS already on my device (name/location: C:\Windows\system32\dllcache\udfs.sys and C:\Windows\system32\drivers\udfs.sys), but it apparently it was not doing the job. Microsoft really is not that interested in Microsoft system drivers it would appear. .. Probably another imagined security threat ;) ..

Right-clicking the .inf file and a left-click on 'install' was all that was needed to put it in. The file is predictably placed in C:\Windows\system32\drivers\ in case you need to delete it.

[Adbear]

You will have udf drivers already on your system, just not UDF 2.5

[Bluer]

That's right; the MS UDF system driver is for Universal Disc Format.
.udf may also show up in media extensions for a undefined format.

[Bluburner]

1.) Unpack it.
2.) Start setup.


Navigate to your temp directory with explorer. You'll find a directory named like this: {1347D5A6-4FE0-476A-B85F-D0FC91F55EB0}

Enter it. You'll find two files:
thdudf.inf and thdudf.sys

Right click thdudf.inf, select "Install".

Wait a while. Close the Message Box. Reboot.

Thanks, it's done and run.

First, install Toshiba UDF2.5 (see above).
If you add the attached registry entry, and you can uninstall it from Add/Remove Programs.

Thanks, run too.

Cu
Bluburner

[sdchris]

I have followed the procedure that is described in the post. I see the system trying to install the thdudf.inf file, I wait a while and then reboot. When I go into the hardware manager and look at the driver it never changes from the old default windows one. Is there something that I am missing?

I am running windows xp home with service pack 3.

My drive is the Lg super multi blue (HL-DT-ST BDDVDRW UH12LS28)

I bought this deive hoping to play blu ray disks on my dekstop computer and I am realy frustrated that it will not recognize and play blu ray disks.

Thank you in advance.

[Adbear]

It doesn't install a driver for the drive, it installs the UDF 2.5 so that when you put a Blu-ray disc in you can read the file structure

[Ch3vr0n]

That plus that you don't need to install the driver in order to play blu-ray discs. All major software based players have their own udf 2.5 driver so they can read/play the disc regardless of wether or not you have the toshiba driver installed.

[foobaz]

Brilliant! I was disappointed that the BD ISO mounter didn't work and then I did another search and found this thread. I installed the driver and it now works! Yes! You really should include this information with the installer for the MANY of us still using XP.

I even installed the trial of PowerISO and it couldn't mount a BD even after I installed this driver. I wrote the vendor and was told that it didn't work with XP! Oh really!? Not only that, when I opened a BD ISO in the program to extract it, it needed to save it as another unknown format first, taking literally 3 hours. I aborted it and uninstalled the program. What a POS!!!

[Ch3vr0n]

BD ISO mounter? What's that?

The toshiba driver only updates the Windows XP OS to the point where it knows how to handle a disc formatted in UDF 2.50. It does not affect any application you install to mount or otherwise read UDF 2.50 formatted discs in general or blu-ray discs. Any program that wants to read such program afaik must include their own driver. Just because windows knows how to read such discs, does not mean the programs will be able too.

[sgm]

The Toshiba UDF file posted in msg #10 upthread fixed my XPsp3 problem of a Blu-ray disc not even being recognized by the Windows Operating System. Thanks.

I still get a failure because of "AACS Host certificate revoked".....but that is a completely different problem.

[Ch3vr0n]

AACS host certificate revoked has nothing to do with the toshiba driver. That's message means that the host certificate used by anydvd was detected by the disc (i think it's the disc or playback software) as invalid and gets revoked. You'll need to update your anydvd to fix that.

[sgm]

AACS host certificate revoked has nothing to do with the toshiba driver.

I knew that, and that's why in my original post I said:

I still get a failure because of "AACS Host certificate revoked".....but that is a completely different problem.

P.S. BTW, I was not using AnyDVD when I got the certificate revoked. Not only that, but the certificate had something to do with my Blu-ray drive, not the disc, because I got the same message regardless of what disc I tried (including completely UNencrypted non-Blu-ray DVDs). I still don't know what happened. At first I thought my Blu-ray drive had become a $100 brick, but a re-boot of my PC cleared the problem.