IE6/IE7 getting "The requested lookup key was not found in any active activation context."

I have an end-user that was having some system problems.  She was setup and using IE7 under Windows XP SP2.  In order to resolve the system problems she was having, I ran the OS repair by booting from the Windows XP cd.  All seem to go fine, but when she logged in and tried to access the browser she received "The requested lookup key was not found in any active activation context."  I then removed Internet Explorer from Windows System Components, rebooted and then re-enabled Internet Explorer.  I still got the same message but now running under IE 6 under her logon name.  I logon as myself and it comes up with IE7.  Either way I still get the same message. Any ideas how to resolve?
jmattson30Asked:
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LeeTutorretiredCommented:
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jmattson30Author Commented:
Hi LeeTutor:

None of these options worked for me.  Do you have any other suggestions?
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LeeTutorretiredCommented:
from here:

http://www.askmehelpdesk.com/internet-web/request-lookup-key-not-found-any-active-activation-context-61188.html

for anyone else looking this solution worked for me. I installed XP Pro over top of a copy of XP Home. All of a sudden I started getting the above and got very frustrated...

It was because of IE7 the solution is to uninstall IE7 using the following command on the START -> RUN

%windir%\ie7\spuninst\spuninst.exe

This uninstalled IE7 and makes it so that you can reinstall it later.

More advice here:

http://uk.answers.yahoo.com/question/index?qid=20070402175219AAUzmGu
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kbens0nCommented:
"I then removed Internet Explorer from Windows System Components, rebooted and then re-enabled Internet Explorer.  I still got the same message but now running under IE 6 under her logon name.  I logon as myself and it comes up with IE7."

- Uninstall IE7 (via Add/Remove Programs, click Show Updates and select Windows Internet Explorer 7.0).
- When you reinstall it, make sure you reboot IMMEDIATELY after you install. Should rid her message and bring Internet Explorer back to life for all.

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jmattson30Author Commented:
Thanks for all the above suggestions.  I was able to resolve the problem by simply copying the Install file for IE7 from Microsoft and then running the install again.  This resolved the problem.  Have a great day and thanks again.
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