PLease Help - corrupted WMV playback with WMP9

[wigwam]

Changed my GFX card from 9500pro tp x800 and just noticed when trying to playback a streaming .wmv file that it wouoldn't play properly so i checked files already on my pc:

.avi/mpeg play fine but all the .wmv files appear corrupt.
How can I identify the cause/fix it?

player is WMP9

[Dr. Zhivago]

You need to uncheck WMV Acceleration in CCC under Video Options or Upgrade to WMP 10.

[wigwam]

Hi
I've got ATI Tray Tools; where can I find this option?

I tried playing the files under RealPlyer too and got the same problem [.avi and .mpg play fine but .wmv corrupted]

[wigwam]

okay I sound it under "standard tweaks"

many thanks

[Dr. Zhivago]

You're welcome.