These problems only started recently, so I am not sure what caused this to happen.

* video corruption when using Media Player Classic Homecinema Edition (also often in DVBViewer) with anything but the Overlay Renderer.
Random patterns are repeated over the screen (click screenshot to see what is meant).



* Errors about not being able to display subtitles, even when I 'm using VMR9 (renderless) mode (see screenshot).


* the remaining time window does not show up anymore when pressing ctrl+i

What could be causing these symptoms ?
I am using an Nvidia GT7950 card, on XP MCE SP3, and I have a two monitor setup.
Could DVBViewer somehow cause corruption in other programs, or is something wrong with the Video memory of my graphics card ?
But if that is the case when why do I not see this with Windows Media Player ?