Outlook 2007 -Removing an add-in that no longer exists?

Jim · External Since: Mar 02, 2007 Posts: 2

My AVG Antivirus "broke" on my system after an attempt to upgrade to the
profesional version. I had to manually remove AVG by deleting folders and
editing the registry. However, the Outlook still tries to launch the AVG
add-in and displays the error: "The add-in "AVG Exchange Extension" (file
name [avgxch32.dll] / location) cannot be loaded and has been disabled by
Outlook (blah, blah)."

I've also deleted any mention of the file avgxch32.dll from the registry but
Outlook still thinks it's there somewhere.

I've installed a different antivirus program now.

So how do I remove or disable an add-in that no longer exists? How can I
get rid of this error message?

Michael Bauer [MVP - Outl · External Since: Aug 04, 2006 Posts: 679

What's about Tools/Trust Center/AddIns/Com Addin?

--
Viele Gruesse / Best regards
Michael Bauer - MVP Outlook
Keep your Outlook categories organized!
http://www.shareit.com/product.html?productid=300120654&languageid=1
(German: http://www.VBOffice.net/product.html?pub=6)

Am Fri, 2 Mar 2007 08:11:58 -0600 schrieb Jim:

> My AVG Antivirus "broke" on my system after an attempt to upgrade to the
> profesional version. I had to manually remove AVG by deleting folders and
> editing the registry. However, the Outlook still tries to launch the AVG
> add-in and displays the error: "The add-in "AVG Exchange Extension" (file
> name [avgxch32.dll] / location) cannot be loaded and has been disabled by
> Outlook (blah, blah)."
>
> I've also deleted any mention of the file avgxch32.dll from the registry
but
> Outlook still thinks it's there somewhere.
>
> I've installed a different antivirus program now.
>
> So how do I remove or disable an add-in that no longer exists? How can I
> get rid of this error message?

Jim · External Since: Mar 02, 2007 Posts: 2

"Michael Bauer [MVP - Outlook]" wrote in message

>
>
> What's about Tools/Trust Center/AddIns/Com Addin?

AVG is not listed there, either. Thanks for trying, though.

billybarty · Joined: Mar 13, 2007 Posts: 1

In Outlook, go to Tools -> Options -> Other -> Advanced Options
Click on Add-In Manager. Uncheck avg

dawber1 · Joined: May 01, 2007 Posts: 2

That would have worked if he wasn't using Outlook 2007 that has a whole new add-ins manager.

Delete the extend.dat under your documents and settings because the add-ins are cached in there.

LetsReason · Joined: May 17, 2007 Posts: 2

Very good question. I have the same problem.

The Add-in is not listed under Tools>Trust>Add-ins.

Any help would greatly appreciated in getting rid of this annoying warning.

Robert

LetsReason · Joined: May 17, 2007 Posts: 2

Sorry, dawber. I missed the second line of your post.

Thanks for the help. That did, indeed, fix the problem.

I had to first open "My Computer" and then from that window:

Tools>Properties>View>Hidden Files and Folders and then tick the "Show hidden files and folders" option.

Then I could...

C:>Documents and Settings>User Name>Local Settings>Application Data>Microsoft>Outlook and then delete extend.dat.

Robert

dawber1 · Joined: May 01, 2007 Posts: 2

No worries.

Here is a little trick. You don't have to turn on show hidden files and folders.
Just do start / run and put in:
%appdata%
This will put you in that hidden folder you need to be in, and under there just go to Microsoft then outlook and voilla.

This is helpful if you have several folders under documents and settings that all have the suffix with your login ID, and your not sure which one is currently in use.

joelw · Joined: Dec 09, 2005 Posts: 1

Folks - THANKS for this thread. I have this problem on 3 computers, both XP and Vista. No matter what I've tried, I struck out. The instructions here solved my problem. Very Happy

Thanks again, and take care.

Joel

matchmaker · Joined: Jul 05, 2007 Posts: 1

Why does it work for everyone else and not me? Crying or Very sad

I deleted every extend.dat from my hard drive and still get the error message when I start Outlook 2007.

Any ideas?

BD

Oppressor · Joined: Jul 15, 2007 Posts: 1

Nice, i had the same problem i tried removing it from Outlook to no avail, but with them simple instructions voila all gone

Thanks again Very Happy

OS: Vista Ultimate

C:\Users\Oppressor\AppData\Local\Microsoft\Outlook
Then i deleted the extend.dat

trieungoctu · Joined: Jul 29, 2007 Posts: 1

Hi there !

Not need hard to do, follow me:
Tool > Trust Center >Add-ins
At Manage combo box, choose: Exchange Client Extension, click Go
Uncheck AVG Exchange Extension >OK

Restart Microsoft Outlook, everything will OK.
Regards,
Trieu / Vietnam.

tritechits · Joined: Jan 26, 2008 Posts: 1

Thanks trieungoctu. Your answer did the trick for me with an XPRINT add-in that was causing an error message ever time I started Outlook 2007.

InfotechCapital · Joined: Mar 19, 2008 Posts: 1

So, same problem here; Windows 2003 Server Standard R2. Deleting extend.dat worked here. To summarize (and slightly update) the solutions, both of which appear to work for others:

Use the Outlook 2007 Trust Center:

Open Outlook
Navigate the menus through: Tools | Trust Center... | Add-ins (on the left)
Ensure "COM Add-ins" is showing next to "Manage:", at the bottom of the dialog
Click [Go...]
Untick "[ ] The offending extension"
Click [Ok]
Restart Outlook and verify that it worked.

* credit to Michael Bauer and trieungoctu.
* mention to billybarty, whose solution (Tools | Options | Other | Advanced Options | Add-In Mananger) applies to Outlook 2003.

Delete "extend.dat", because the add-ins are cached there.

Close Outlook
Go to My Computer (Windows Explorer)
Navigate the menus through: Tools | Folder Options | [View] tab | "Advanced Settings" section | Hidden Files and Folders
Tick (x) Show Hidden Files and Folders, and click [Ok]
In Windows Explorer, navigate to C:\documents and settings\{username}\Local Settings\Application Data\Microsoft\Outlook
Delete "extend.dat"
Close Windows Explorer, and reopen Outlook

Alternate access to "extend.dat" (ensures you are in the right folder for your profile without having to change hidden files and folders):

Close Outlook
Start | Run (see note)
Type %appdata% and press the [Enter] key
Delete "extend.dat"
Close Windows Explorer (this opened on step 3), and reopen Outlook

* Note: on all operating systems the shortcut is the keys [Win]+[R], especially for Vista, where "Run..." does not, by default, show.
* credit to dawber1 and LetsReason.

silversword · Joined: Jun 13, 2008 Posts: 1

I was doing google searches for outlook remove extension and came across this thread. Hope it'll help someone else. The problem was outlook was crashing after downgrading from outlook 2007 to outlook 2003.

My problem was I had office 2003, and upgraded to office 2007 and found that microsoft broke the advanced find functions in Outlook (a critical function for me). Advanced searches can no longer be saved (apparently due to a security issue that was also patched in Office 2003 SP3 - not SP2 - and instead of fixing the security issue, they just disabled the ability to save searchs that aren't mail related). On top of that printing from the same advanced search list also results in a page that shows the outside edges with no search items appearing at all.

Anyway...I ended up downgrading from 2007 back to 2003 SP2. The problem was outlook would always crash unless I used the command line:
outlook /safe
I was thinking it was an extension (I found a Redemption Helper addin that I didn't recognize - but I think that's associated with itunes) and it wasn't the problem anyway.

One clue to the problem was that in the top white bar in outlook where it says "Type a contact to find" field it would flash garbage characters in there before crashing.

Turns out the problem is the history data for that field has an updated format it's stored in.

Goto this folder:
C:\Documents and Settings\{username}\Application Data\Microsoft\Outlook

and move/delete all these files (not sure which one is the actual culprit here - sort by date and remove everything with a date stamp after your office/outlook 2007 upgrade)
username.nk2
username.xml
username~1.srs
outcmd.dat
OutlPrnt

Voila, outlook launches without a crash.

Hope this helps someone else.
David Troesch

lvescan · Joined: Jun 16, 2008 Posts: 2

have you tried to reset de toolbar? Customize->Reset

carmelk6 · Joined: Aug 30, 2008 Posts: 2

found this thread on google search.
very helpful. fixed my add-in problems easily.
appreciate the help, thanks.

bugmenot · Joined: Mar 12, 2007 Posts: 109

Try re-downloading the AVG installation file and select repair. This should fix any registry or file errors and refresh the add-in for office.

Good luck

botanist · Joined: Nov 30, 2008 Posts: 4

I had this after doing some 'cleaning up' including deleting odd remaining avg files. I was pleased to hear of the Add in manager in Outlook (which I had not come across). Tried it. It worked. Then the pesky box came back. Add in manager kept re-checking the box when it was closed. Outlock would open without it once or maybe more after unchecking it, but then it would come back.

I have now tried deleting the (empty) Grisoft folder from Programs. So far, this seems to work (fingers crossed).

botanist · Joined: Nov 30, 2008 Posts: 4

Nope, the cat came back (ie the avg add in keeps getting re-checked when I am not looking.

Any other ideas - Or do I have to try install AVG then repair/uninstall again?