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Microsoft Office 2007 Thesaurus Not Working

by cpk86 / September 12, 2008 5:42 AM PDT

Good Afternoon,

When trying to launch the Thesaurus in any Office 2007 application, I am
receiving the following error message.

Microsoft Office Word can't open the thesaurus.
Microsoft Office Word cannot install the necessary files due to Windows
Installer error 1605.
The action is only valid for products that are currently installed.

Any ideas?

Have already tried repair and uninstall/reinstall proofreading tools


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Re: thesaurus error
by Kees Bakker / September 12, 2008 5:58 AM PDT

You're not the only one! See

and one that I don't think is related:

My guess is that it might have something to do with:
- a previous installation of an earlier version of Office
- a trial version that has been installed earlier and expired
- possibly a language version problem

The only thing I can advise: uninstall everything related to Office using Microsofts own Windows Installer Cleanup utility (a free download from Then reinstall your version.

If the problem persists and no help comes, I'd contact Microsoft. Their help for installation related problems like this might be free.

Best of luck.


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To make thesarus work
by kidsaremypleasure / August 11, 2009 7:35 PM PDT
In reply to: Re: thesaurus error

its simple

1/ go to control panel

2/ Add or remove programs

3/ Ms office 2007

4/ change

5/ add or remove features, then click continue

6/ click office shared features

7/ click proofing tools

8/ click the english proofing tools

9/ now just remove all the cross marks shown on RED; you will make all the features enable then restart your system and open the word file, type one word, right click it , and you can see the synonyms.

i wish you all good luck.

thank you.


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windows 2007 thesaurus error
by 24sunny / July 18, 2011 12:18 AM PDT

thanks buddy
you have give a very good information
I was seraching it form so much time.
But how you have fond this trick.
any way thanks again for this post
Keep it up.

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Microsoft Office Xp Thesaurus stopped working
by vietkieusa / April 11, 2012 1:23 PM PDT

I followed the steps you guided to fix on MSOffice 2007, up to the "proofi Tools"/ English, but none of the "Spelling and Grammar Checkers", "Hyphenation", "Thesaurus", "Find All Word Forms" had any Red Cross marks as you mentioned. What should I do?

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