Hello Adam,
Whatever you do, (installing and updateting or unistalling) always as a
administrator.
First remove all temporarily junk with CCleaner
http://www.ccleaner.com
Note, uncheck Yahoos toolbar during install.
CCleaner quick tour:
http://www.ccleaner.com/help/tour1.asp
Open Ccleaner and press "Windows" "Aplications" and "Run Cleaner" from the
menu choose 'Issues' and then press scan for issues, Repair any fºund.
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You can run in safe mode with networking, fwiw.
http://safety.live.com/site/en-US/default.htm
Look for the broom Clean up, also Tune Up..
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For the benefit of the community reading this post, please rate the pºsts.
I hope this post is helpful.
Let us know how it works ºut.
Еиçеl