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I have just had a fun time with this one! The problem is seen in many Microsoft public newsgroups:

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. How do I deactivate this feature so that I activate hyperlinks ?

So firstly this is not an Outlook error. It is an Internet Explorer error. Most likely a corrupt registry key in Internet Explorer.

I have tried all the ‘reset’ explorer fixes and discovered these just don’t solve ‘my’ problem.

So the answer is to get down and dirty. Registry changes time.

Turns out my problem was a dodgy Chrome install. Thanks Google.

Two Hacks:

-------------------------------------------------------------------

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Classes\.htm]
@="htmlfile"
[HKEY_CURRENT_USER\Software\Classes\.html]
@="htmlfile"
[HKEY_CURRENT_USER\Software\Classes\.shtml]
@="htmlfile"

--------------------------------------------------------------------

--------------------------------------------------------------------

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\htmlfile\shell\open\command]
@="\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\" -nohome"

--------------------------------------------------------------------

To use copy the lines between the dots and save as Hack.reg abd Hack2.reg

Note: Best as two files.

Save to your desktop.

Click on them in turn to run.

With luck starting Outlook and clicking on a link in an Email now works!

Posted on Tuesday, December 15, 2009 8:11 PM | Back to top


Comments on this post: Solution: Outlook Problem "This operation has been cancelled due to restrictions in effect on this computer."

# re: Solution: Outlook Problem "This operation has been cancelled due to restrictions in effect on this computer."
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Nice work.
I was installing chrome today and ended up with the same result. Thanks for your post - saved me needless frustration.
Left by Ross on Dec 16, 2009 1:56 AM

# re: Solution: Outlook Problem "This operation has been cancelled due to restrictions in effect on this computer."
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This operation has been cancelled due to restrictions in effect on this computer the error windows 2003 server r2
Left by maheshkumar on Jan 11, 2010 8:24 PM

# re: Solution: Outlook Problem "This operation has been cancelled due to restrictions in effect on this computer."
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The first line didn't seem to do much for me. But the 2nd hack (with the internet explore / iexplore.exe line) fixed the problem. Thanks. :)
Left by iexplore exe on Nov 14, 2010 1:31 PM

# re: Solution: Outlook Problem "This operation has been cancelled due to restrictions in effect on this computer."
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Like others, a failed Chrome installation buggered up Outlook. Having tried a number of the explorer reset senarios that all failed, I was interested in your registry edits. Although the copy of the above to a .reg file did not work for me, it did lead me to look at the right locations in the registary files. Manually changing the value data codes from "ChromeHTML" to "htmlfiles"
Left by Another Ross on Nov 28, 2010 3:52 PM

# re: Solution: Outlook Problem "This operation has been cancelled due to restrictions in effect on this computer."
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Like others, a <p>akoya pearl earrings</p> failed Chrome installation buggered up Outlook. Having tried a number of the explorer reset senarios that all failed, I was i<p>akoya pearl earrings</p>
Left by pearls on Nov 03, 2011 5:25 PM

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