Operation has been cancelled due to restrictions in effect on this computer.

When clicking on a hyperlink in an e-mail, I get this Message : "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator." I get this message every time that I attempt to use the hyperlink. I am the administrator on this stand alone computer.

If you received this error after uninstalling any application that takes over the HTML open command (including, but not limited to, Chrome and Firefox browsers) you may also need to change the HTM/HTML association in the registry.

1.Start, click Run, type Regedit in the Open box, and then click OK.
2.Browse to HKEY_CURRENT_USER\Software\Classes\.html
3.Right click the value for the .html key and select Modify…
4.Change the value from "ChromeHTML" to "htmlfile" (or from
FireFoxHTML to htmlfile)


If you are using Windows 7 or Vista:
1.Close Outlook
2.Open Internet Explorer.
3.On the Tools menu, click Internet Options.
4.Click the Advanced tab, and then click the Reset button.
5.On the Programs tab, under Internet programs, click Set Programs,
then "Set your Default Programs", select your e-mail program and click
"Set this program as Default". Repeat for Internet Explorer.
6.Click OK and close the dialogs.
Note: You need to set Internet Explorer as default and verify the
problem is fixed. If you prefer a different browser, you can set it as
default later.


To Reset Web settings in Windows XP:
1.Close Outlook
2.Open Internet Explorer.
3.On the Tools menu, click Internet Options.
4.Click the Advanced tab, and then click the Reset button.
5.Under Internet programs, verify that the correct e-mail program is selected.
6.Click to select the Internet Explorer should check to see whether it
is the default browser check box.
7.Click Apply, and then click OK.
If you receive a message when Internet Explorer starts telling you
that IE is not currently your default browser, click Yes to make it
your default.