kmm290859

Every time I click on a link in an email in Outlook 2003 I get this message. “This operation has been cancelled due to restrictions in effect on this computer. Contact your system administrator.” How do I remove this? This has only just happened, last week everything was as usual. I have tried reinstalling Office 2003 but I still have same problem. I have tried disabling AV software, no effect. Appreciate any help as copying and pasting links is driving me mad!