No problems on my XP Pro system but when I did on avast! V5 I received great help by following this:
How to invoke memory dump creation?
http://support.avast.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=71

You can get old versions from Filehippo:
http://www.filehippo.com/download_avast_antivirus