The other morning (following a massive Windows update the night before) I was greeted with an error whenever I clicked on a link in email. Outlook simply said “This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.” I promptly consulted my good friend Google for advice, and found a couple of relevant suggestions. The cause of the problem appeared to be related to the default browser setting in Windows (by the way, I use Firefo...