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I used the following link to include a new language and Word stopped working properly

I am using Windows 7 and tried to return to a previous stage but the problem remained. I tried to uninstall and reinstall Office but got the following error message:

E : \Homestudent Fr. WWW\OSETUP.DLL digital signature does not validate or is not present.

Excel stopped working as well. Is there a way to fix this issue?

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Can you describe what you mean by "stopped working"? – Edd Nov 3 '10 at 16:59
You may want to make the title of this question more descriptive. – qroberts Nov 3 '10 at 16:59

There are some working solutions to this problem on Microsoft Technet Forums. Have a look.

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