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Microsoft office outlook error messages every time I open an email or compose one

Posted on 2011-02-22
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Last Modified: 2013-11-22
the error is:
 
 The ADD-in " AVG Exchange Extension" ( C:\PROGRAM~1\AVG\AVG8\avgxch32.dll) cannot be loaded and has been disabled by Outlook. Please contact the add-in manufacturer for an update. If no update is available, please uninstall the Add-in.

i'm running outlook 2007. I  looked under Tools> trust center> Add-ins but I don't see this avg add-in.
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Question by:frankbustos
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by:Vanguard_LH
ID: 34955815
Did you yet uninstall AVG and retest?  If so, use their cleanup utility:

http://www.avg.com/us-en/download-tools

If that doesn't work then install their free version, configure it to disable all e-mail/Outlook integration, and then uninstall it.
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by:frankbustos
ID: 34956781
hi Vanquard_LH,

  I ran the tool and rebooted the system and now the message only comes up one time when I open outlook but the good news is that i can view and send and the error won't come up again. any ideas how i can get it to disappear completely?
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Vanguard_LH earned 500 total points
ID: 34957298
If the cleanup tool is still incomplete then the suggestion is to do the mentioned install of the free version, disable e-mail integration, and then uninstall.  Then retest to see if the error is gone.  If you already have some other security product, like Avast or Symantec installed, then uninstall it before attemptingt the install/uninstall of the free AVG version.

Make sure Outlook is unloaded (check Task Manager's Processes tab to make sure there are no instances of outlook.exe).  Don't just minimize it to a tray icon.  Then look for the avgxch32.dll file and delete it or rename it.  This means it cannot be found when Outlook next loads.  Deregister the file by running:

regsvr32.exe /u "<path>\avgxch32.dll"

where <path> is wherever you find the file, like "C:\Program Files\Grisoft\AVG<something>" or "C:\Program Files\AVG\AVG<something>" or wherever the user chose to install it.  I added the double-quotes in case the path includes the space character(s).  Then other users have noted you should rename the extend.dat file for Outlook, like to extend.old_dat.  This caches definitions of the Exchange extensions.  Rename the file, don't delete it.  Some users noted that after deleting this file that they cannot thereafter restart Outlook and why you rename it to get it back without having to resort to restoring from backups.  My understanding is that if Outlook cannot find this file as extend.dat that it generates a new one.  

Otherwise, you'll be searching the registry to find "avgxch" to see if it has to do with AVG and delete those keys.  Obviously if you edit the registry then you better have an escape plan to recover to the prior state (even if it generates the error the OS is still usable), like saving an image of the OS partition.  I believe Exchange extensions to Outlook are defined under:

HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Client\Extensions

(see http://support.microsoft.com/kb/167264) but search for other locations for definition of the avgxch32.dll file.

There are registry fix-it utilities that supposedly destroy the avgxch32.dll problem in Outlook but I never recommend them because, one, they are from a source that I don't know (so they don't have my trust in their ability to correctly edit the registry and that they don't do something ELSE) and, two, they are hiding their registry changes inside and .exe when they could just tell users what registry keys to edit or delete (so why are they hiding this simple info?).
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Author Closing Comment

by:frankbustos
ID: 35085966
that worked, thanks!
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