When you click a hyperlink in a Microsoft Office document in an Office program, you may receive an error message similar to the following:
This operation has been canceled due to restrictions on this computer. Please contact your system administrator.
Symptoms
This behavior can occur when both of the following conditions are true:
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You installed one of the following programs: Office XP or Microsoft Internet Explorer 5.5 SP-1.-and-
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The following registry key does not exist:
HKEY_Local_Machine\Software\Classes\htmlfile\shell\open\command
Cause
To resolve this behavior, follow these steps:
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Start Microsoft Internet Explorer.
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On the Tools menu, click Internet Options.
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On the Programs tab, click Reset Web Settings.
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Click to clear the Also reset my home page check box.
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Click Yes.
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Restart the computer.
When you reset the Web settings, the missing registry key is restored.
