Hi.Bui
I had just the same experience. Even before freezing and unfreezing the tracks.
I got a lot of Access Violation in version 2010 292 build.
Running on a HP Pavillion 9500 with Windows 7.
Yeasterday it came up on every song i tried to play. Tried to restart the pc + +.
Then I remembered a other tread where I think it was Mac said something about uncheck something in the preferences menu.
I found the thread and this helped me out!
1. Open 'Opt. menu and Preferences...'
2. Click / Open the 'RealTracks' button.
3. Uncheck the 'Speed up generation of realtracks'
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Perazim