Error message opening links in Outlook 2010

After uninstalling Google Chrome the links in Outlook 2010 won't open. The user receives the error message "This Operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator" I have tried resetting the browser defaults in IE, made sure links aren't disabled in junk email settings, and resetting IE as the default browser. I fixed this once before about a year ago by copying and replacing a corrupt registry entry/key relating to the default browser but have misplaced the information on the location of that particular key. I also seem to remember having a good copy of the key for quick import and fix. This particular key corruption can happen uninstalling Chrome or Firefox if memory serves. Can anyone help refresh my memory???
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Randy DownsOWNERCommented:
Bunches of possible solutions here including registry zaps   - http://www.slipstick.com/problems/this-operation-has-been-cancelled-due-to-restrictions/
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