What make of machine (processor)What version of Win 98
What was the last change to your bios or software added?
What make/model/date CD and burner (guess - NERO?)
Use, search/find and sort by date for changes to your REG.....you should be able to come within the time span of the problem
Google - problem from search/find
Remove according to instructions
It is only 99cents for latest Michael Jackson - why be so cheap?