>>>On Windows Millenium, at startup, Scandisk is running. However, I have to Cancel it all the time because it is reading all my sectors on the drive. This would take hours if I let it go. Where can I adjust it?
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>>Inside the Scheduled Tasks applet in Control Panel - change it to run a Standard rather than a Thorough Scan.
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>I don't have anything in there which regards to Scandisk.

In that case, it's been triggered as a result of having improperly shut down once, and it'll keep doing this untill allowed to run once.