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Old 31 Jan 2007, 04:52 AM   #1
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Default Incompatible Disc And Decoder Regions

I'm having some problems with playing DVDs on Windows Vista Business RTM.

I have a decrypted DVD with region/macrovision protection removed and I'm trying to play it with Media Player Classic using latest FFDShow.

All I get is the message "Incompatible Disc And Decoder Regions". I tried changing codec for MPEG2 in MPC and FFDShow, but that didn't help.

Same combination (MPC + latest FFDShow + same movie) worked flawlessly in WinXP.

Any suggestions?


Last edited by Eddie1506; 31 Jan 2007 at 04:55 AM
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Old 6 Mar 2008, 12:41 PM   #2
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Almost identical problem here, I have the files from a decrypted DVD in a VIDEO_TS folder, again Region Free/macrovision removed, and have tried the same things as Eddie1506 with no success. I have also opened the VIDEO_TS.IFO in ifoEdit and confirmed that it is indeed Region Free.

One thing I looked at after a little more Googling, is that my files are stored on an external USB drive -- I don't have space on my internal drives right now to test if they work there, but others have been having this issue when the files were stored on a USB or Firewire drive. Could this be the issue? Who knows.

Hoping someone can help with this...

Last edited by Eilonwy05; 6 Mar 2008 at 12:46 PM Reason: More info added.
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Old 28 Mar 2008, 07:14 AM   #3
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I figured this out. I have Vista and I had UAC (User Account Control) turned off. For some reason if UAC is off Vista has problems reading DVD content off of an external hard drive.

I know, it seems like one wouldn't have anything to do with the other, but, I turned it on and it statred working perfectly. Give it a try.
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Old 8 Dec 2012, 07:24 PM   #4
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@ APOLLOSTEES Well done! That solved it for me too. What a weird interaction that is between UAC and DVD's not playing off an external harddrive.

Registered just to confirm it solved my problems and thank you for the tip!
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