lately my computer keeps freezing on- and offline. have checked compatibility of software, startup programs ect., ran spyware and av program. any suggestions?
OS: WinXP pro
Version: 5.1.2600
Service Pack: 2.0

Capacity: 512 MB

Total Capacity: 93.15 GB
Used: 4.68 GB
Free: 88.47 GB

AMD Sempron(tm) 2600+
Version: x86 Family 6 Model 8 Stepping 1
Speed: 1830 MHz