Question : Virtual Memory

We are using 4G of RAM and people are having some memory issues.
Does Virtual Memory still need to be set or changed with Windows XP?  If so what is recommended page file size?

Answer : Virtual Memory

Here are articles:

http://support.microsoft.com/kb/314482

http://www.petri.co.il/pagefile_optimization.htm

Page files = 1.5 Physical Ram Size.