(C) 2009 - 2018 by Mourad Louha · All rights reserved

Using Word 2010 and Word 2007 on the same system

In some cases – if Word 2010 and Word 2007 are installed on the same system – it may happen that Word 2007 tries to reconfigure itself by opening the installer first each time you start Word 2007. I also encountered this problem on a parallel installation of Word 2007 and Word 2003.

This behaviour of Word 2007 can be avoided by creating and/or setting the registry entry “NoRereg” for Word 2007. Ok, this tip isn’t very new, however I’ll mention it here, because this problem with 2007 was a little bit annoying.

Please consider this important note: changing values in the Windows Registry can in worst case make your software or operating system unusable. So be careful, we assume no liability for any damages.

First, I logged in to my computer using an administrator account. I’m using a Windows Server 2008 German, however this tip should also work with other Windows versions. Before doing anything, please close all running apps first, then click on the Windows Start Button and click on “Run”. Type in the editbox “regedit” and press “Ok”. The figure below shows this dialog on my computer.

Windows Run

Now please navigate in the Windows Registry Editor to the key…


Then create a new DWORD Value using the context menue on the right side of the Windows Registry Editor Window. Rename the new key to “NoRereg” and enter 1 as value.

Windows Registry Editor in German

Then close the Registry Editor and the problem should be solved the next time you start Word 2007.

This article has also been published in German and in English on the following sites:



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