|Abhijna , I suspect you're correct blaming the download. Sounds to me like it installed a worm/trojan which needs to be cleaned. Scan? If that doesn't do the trick, read on.|
FWIW, Windows seems to have been plagued with shutdown problems of one sort or another since day 1. I use a standalone shutdown proggie (for convenience) called 'Slawdog' (said to work on all versions). Get it free @:
among other places. Works good and I drag/dropped the icon into my quick launch so it'd be handy for use.
Ed in Texas.