I have been running the free version of DVDFab HD Decrypter 6.0.2.2 for weeks now without a problem. I have Windows Vista and last night I tried to decrypt a DVD and I kept getting this error message pop up. When I start up DVDfab and I load the DVD in the drive to decrypt right when it starts to read the disc before decrypting is when I get the error. It says windows has to close the DVDfab program due to error and windows will search for a solution and it closes the program down within 10 seconds and never provides me with a solution. So I uninstalled the program went and downloaded the program again and reinstalled it and it did the same thing. I even tried changing DVD's thinking it might be the DVD and I still got the error message. I'm not to computer savvy so I was wondering if anyone had any solutions to fix the problem? Could it be Vista? Anything at this point would be helpful. Thanks!!!