This can mean the drive that holds "Windows" has no free space or has a corrupt paging file. Review the following links:
1. The Memory Articles at http://www.aumha.org/articles.htm
2. Delete the paging file...
http://support.microsoft.com/default.aspx?kbid=245063#24
Bob
My son has Win 98 and keeps getting a virtual memory error. He is allowed to go the virtual memory section which shows it is disabled; however he is unable to enable it. He also seems to have an intermittant mesage that Internet Explorer has incurred (something he cannot remember) problem.

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