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Ever since I installed Visual Studio 2012, when starting any Office application, I get a box that says "Please wait while Windows configures Visual Studio 2012..." and I have to sit around for about a minute.

This happens every single time I open an Office application, even though the progress bar on the window seems to complete every time.

I Googled a bit, and I found a note about disabling the Visual Studio add-ins for Office (which must have installed with Visual Studio). I have done this.

Yet, the problem persists.

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Sounds like you install some sort of Office Tools when you installed Visual Studio. The best solution to this is to get rid of everything Visual Studio 2012 added and if it comes down to it figure out what additional feature causes this. – Ramhound Dec 7 '12 at 15:23
I've had this problem before. It is most likely a package installation issue. Uninstall everything, then reinstall. – Variable Solutions Jun 2 at 1:42

This is old, but likely applies to this version: The Windows Installer dialog box may appear every time that you start Visual Studio .NET.

Try removing the Mso.dll file in C:\Program Files\Common Files\Microsoft Shared\Office## (32-bit) or C:\Program Files (x86)\Common Files\Microsoft Shared\Office## (64-bit), where ## is the Microsoft Office version number. Then perform a repair installation of Visual Studio. Be sure to create a restore point before you do this.

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This fixed it for me: Go to control panel's "Programs and Features", select "Microsoft Office...", and then click "Repair". This did not require the original Office CDROM. (my versions: win7/64, office 2003, visual studio 2013)

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