Bootcamp drivers issue (Windows 10 + encrypted ntfs disk - TrueCrypt and all other)

With the same respect...

The problem cannot be undone (even after uninstalling Bootcamp on Windows NTFS drives are still not accessible).

Can you explain this statement in the OP? Does everything work without the BC drivers installed? Have you tested with individual drivers being installed one at a time to narrow down which driver is the culprit so a solution can be sought?

This may help solve the problem or at least have a logical explanation, instead of it not working at all for many users who come after us to read this discussion.

hcsradek wrote:

I have no idea what is being installed ** Bootcamp and why the installation process doesn't revert it...

My suggestion is to debug this a bit further.

hcsradek wrote:

After individual drivers being installed it works, however in this method I am not getting the full functionality of Bootcamp (for example management of brightness, the Bootcamp control panel in not installed etc.) - this suggests that this is something, what is installed besides the drivers.

Precisely. Please see Bootcamp.xml for the list of the entire driver set. My suspicion is the AppleHFS.sys and AppleMNT.sys are the culprits. Since you already have the capability to play around, can I suggest you remove these two and test? This will allow the entire BC driver set to be installed with a working TrueCrypt, if the two suspect drivers address the issue. This should help future users of a similar environment.

I downloaded the 7.1a source code from GRC, and will try and build it out of my own curiosity. The product is primarily for Windows. There is some very interesting material on DFS.

hcsradek wrote:

I have simply deleted both files from c:\Windows\System32\Drivers - now Autorun says that "file not found" but TrueCrypt works again with NTFS partitions and BootCamp installed :-).

Can you repair all your drivers, so you have full Apple hardware functionality, including screen brightness, sound, keyboard, etc. and then just remove these two to make sure it continues to work? The other option is remove Windows and install a new copy, remove these two and test.

I am 😀 to see it working. If I get a chance, I will debug further to check if the HFS/MNT can be made to coexist with TrueCrypt.

Hello, and thanks for the solution to get TrueCrypt mounting again.

Now to get your HFS volumes back for read/write. Go to Paragon Software's free tools page, download and install HFS+ for Windows® 8/8.1 Free Edition.

This is working for me.

Enjoy

I could mount a hidden volume on USB drive with truecript but when I was trying to open it, it would give an error: Location is not accessible. Incorrect function. I only removed one file AppleHFS.sys from windows/System32/drivers and restarted and everything is working fine. Thank you.

I have upgraded from Windows 7 to Windows 10 on my PC, and experienced the same issue for my secondary 1 TB HDD.

I was able to boot from the primary SSD but the secondary HDD showed as a raw space on Disk Management. So I was not able to browse it and was receiving an error saying "F:\ is not accessible. Incorrect function." when I double-clicked it.

I actually had to use a data recovery tool to successfully access the HDD (data was indeed intact, I was able to copy files out of the drive) and was trying to free up some space for the recovery...

However, simply renaming "AppleHFS.sys" to "AppleHFS.sys.bkp" and rebooting fixed the issue in my configuration as well. Many thanks for the suggestion... You saved a lot of my time!

P.S. I have actually received paid technical support (which costed me around $149) from Microsoft and the case was escalated to level 2. It took around a week, many discussions on the phone, and a lot of remote access sessions for them to say that they were not able to resolve this issue, and they suggested me to seek for professional help from a data recovery office. Wish I could now show those guys how easy and fast this fix actually was :-). Also, it took around 3 months and at least 10 phone calls to get a full refund...

emreerokyar wrote:

P.S. I have actually received paid technical support (which costed me around $149) from Microsoft and the case was escalated to level 2. It took around a week, many discussions on the phone, and a lot of remote access sessions for them to say that they were not able to resolve this issue, and they suggested me to seek for professional help from a data recovery office. Wish I could now show those guys how easy and fast this fix actually was :-). Also, it took around 3 months and at least 10 phone calls to get a full refund...

Glad that they gave you back your money. 😎

Amazing, I was about to drop truecrypt because of this problem.

And so just to rename a widows32 apple driver, All work perfect

looking for solution in two wreaks, problem solved i 1 minut.

Thank you to all of you for your time and interest.

Thank you. It would be good to know what your findings are, for future references.