+ 1 Votes The Answer Was Found In MS Knowledgebase reginajbrown 7 years ago You receive an error message when you click a hyperlink in OutlookView products that this article applies to.Article ID : 310049Last Review : January 31, 2007Revision : 5.1This article was previously published under Q310049Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:256986 (http://support.microsoft.com/kb/256986/) Description of the Microsoft Windows registryOn This PageSYMPTOMSCAUSERESOLUTIONReset Web settingsExport and import the registry key from another computerExport the registry key from another computerImport the registry keySYMPTOMSWhen you click a hyperlink in Microsoft Outlook, you may receive the following error message:This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.Back to the topCAUSEAfter you upgrade to Microsoft Internet Explorer 6.0, the following registry key is either missing or corrupt:HKEY_Local_Machine\Software\Classes\htmlfile\shell\open\commandBack to the topRESOLUTIONYou may be able to resolve the issue by resetting Web settings in Internet Explorer. If that does not resolve the issue, import the registry key from another computer.Back to the topReset Web settings1. Start Internet Explorer.2. On the Tools menu, click Internet Options.3. Click the Programs tab, and then click the Reset Web Settings button.4. Under Internet programs, verify that the correct e-mail program is selected.5. Click to select the Internet Explorer should check to see whether it is the default browser check box.6. Click Apply, and then click OK.Note You may receive the following message when Internet Explorer starts:Internet Explorer is not currently your default browser. Would you like to make it your default browser?If you receive the message, click Yes. + 0 Votes Thanks matstone7 6 years ago I have been searching for the answer to this stupid problem for quite awhile now on and off.Thanks for the quick tip that had the answer. + 1 Votes replies sachin4 3 years ago Thanks + 0 Votes A new cause of this issue stars2night 2 years ago If you uninstall Google Chrome, it causes the error message to appear when clicking a hot link in Outlook. Even if you set your default browser to IE, you still get it. The simple way to fix it seems to be to reinstall Google Chrome (which is how I fixed it). + 1 Votes replies sachin4 3 years ago Thanks + 0 Votes A new cause of this issue stars2night 2 years ago If you uninstall Google Chrome, it causes the error message to appear when clicking a hot link in Outlook. Even if you set your default browser to IE, you still get it. The simple way to fix it seems to be to reinstall Google Chrome (which is how I fixed it).