System gives no response at times

[stanjb 0]

System gets busy and gives no resonse at times.

Operating system:Microsoft Windows XP (64 bit) Service Pack 2
System root: C:WINDOWS
Available physical memory: 958 MB
CPU: AMD Athlon 64 Processor 3000+
Drive Info:
C: 152.66 GB
Internet Explorer: 8.0

[Jayzx 16]

Available physical memory: 958 MB

You might be using lots of resource.
Try using one app at a time and uses low resources.
or
Upgrading(Purchase) higher Physical Memory.