I'm running Windows 7 32-bit on an Asus 1215N laptop Google Chrome and Internet Explorer with Adobe Flashplayer 10.1. Recently I've noticed that I'll have errors in my flash video.
If it exists on video load, it exists for the duration of the video. If it does not exist on video load, it never happens. It rarely happens for the first video I play, but usually happens for the second. I notice this effect on multiple websites that play flash video, including YouTube, and gomtv.net. However, I've never experienced this with YouTube HTML5 videos, or with any sort of videos played locally through VLC (even if they're copies of the ones giving me the problems on youtube). I don't know if this is a hardware or a software issue.
As for the error itself, it seems that some colours are vertically offset. For example: