not enough ressources-winme

my client uses a p4 2ghz 256/40 gb with one partition. swap is 34 gb. she uses norton system works and adaware free, refuses spybot!

often there is a warning, e.g, when using mailprogram or word: no more ressources or similar.
i was told checking this, concerning start-ups and vcache-maxpagefiles(70 % of ram)
http://aumha.org/a/memmgmt.htm
http://aumha.org/a/resource.htm
any other tips? memory-stick is ok