Video freezes

Hi guys,
I have problem, when i play any video with any video player, after few minutes it freezes. This happens after a week of installing call of duty 3 game (when play the game also freezes).
OS: windows 7 Home Premium
RAM: 4 GB
Processor: i5 2.27 GHz
video card: ATI HD 4500
does anybody know how to solve it?
thanks
Answer #1
have you installed the latest ATI/AMD drivers for your video card ?
after few minutes it freezes.
the player, or the PC ?
Answer #2
When you works on Office or etc etc application that time facing freezes problem?
Answer #3
problem is probably with your graphic card since you can’t do any of video processes. you can try to update drivers as mentioned above, and update GPU bios.
check also if your power supply is enough for your configuration
http://extreme.outervision.com/psucalculatorlite.jsp
in worst case you’ll have to buy a new graphic card or power supply