Hi justnet,
The pagefile is just the computer’s virtual memory. There must have been some malware in VM. The pagefile is not reloaded after a reboot, so if the viruses have been deleted, they won’t be loaded into memory.
It would probably be a good idea to clean up your temp files- you could free up a lot of space that way. Do you have CCleaner?
http://www.ccleaner.com/
An alternative browser like Firefox or Opera would be a lot more secure than an older version of IE:
http://www.mozilla.com/en-US/firefox/
http://www.opera.com/
If you haven’t done so already, a scan for spyware would be a good idea. These scanners are free:
a-Squared free:
http://www.emsisoft.com/en/software/free/
Ad-Aware:
http://www.download.com/3000-2144-10045910.html
Spybot Search & Destroy:
http://www.safer-networking.org/