tbone

when i open a game program the display flickers and changes color,when i close it it returns to normal also it takes a long time to load and the screen turns black i have scanned for viruses and malware Operating system:Microsoft Windows XP (32 bit) Service Pack 3 System root: C:\WINDOWS Available physical memory: 1014 MB CPU: Intel® Core2 CPU T5500 @ 1.66GHz Drive Info: C: 106.92 GB Internet Explorer: 8.0