When you click a hyperlink in Microsoft Outlook or other Office applications, you may receive the error “This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.” This, in most cases is caused by broken .html, http or https protocol file association. I've found this to be caused by a cancelled installation of Chrome, or the uninstaller did not work correctly.
To resolve the problem, set Internet Explorer as the default web browser by using these steps: