Solve : Need Help With Playing PC Game or Watching Videos {Vid Problem

1.	Solve : Need Help With Playing PC Game or Watching Videos {Vid Problem}?
Answer» Ok. Revently I have been playing on the online community Steam and the game CSS or Counter Strike Source. After playing MAYBE an hour or two the screen starts to freeze up and the sounds starts to REPEAT. Ex: If someone says something it will repeat like "hey hey hey hey hey" and the screen will be frozen with horrible lag. I check for all spyware etc and These are the things I did... 1.Adaware 2.Spybot S&D 3. Defragment 4. Registry Cleaner 5. AVG I recently figured out that its not the game but the video for some REASON. EVEN when Im on youtube watching a video after AWHILE this problem occurs. In Short: Something is causing lag in my videos and not sure why. Need help and thank you for all answers! Vista- P.S I have not made any Hard/Soft ware changes or installments.Also. My Cpu... Dell XPS 630i Intel Duo2 GeForce 8800 GT vid card Comcast High-speed internet connection. Running on Windows Vista Home Premium Thanks Vista-

Solve : Need Help With Playing PC Game or Watching Videos {Vid Problem}?