Bootminder

Prevents your computer from being infected by boot-viruses. Freeware for
Windows. Bootminder will warn you if a floppy is in your A: drive when
closing down Windows. This way, you won't start up with the floppy still
in it. Result: no boot-virus infection.
http://www.freebyte.com/freeware/#bootminder
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The best of the best in Windows=3F Freeware,
as determined by the readers of alt.comp.freeware
http://www.pricelessware.org