Can't delete Avast with Outlook

Need your expertise, pls – I’ve tried to delete Avast4 (probably didn’t do it correctly), and when I open Outlook, I get the “can’t find Avast4/ashOutXl.dll”. I’ve deleted extend.dat, but I continue to get this message. Suggestions?
-gantra

I suggest:

  1. Uninstall avast from Control Panel first.
  2. Boot.
  3. Use Avast Uninstall for complete uninstallation.
  4. Boot.

If it does not work, install avast again, boot, then follow the steps above.

Can you explain exactly what it is that you want to do ?

What version of Outlook are you using ?
When outlook opens it is expecting to find the avast plug-in and since you have deleted avast (should have used add remove programs) it can’t find ashOutXl.dll. So you need to disable or delete the avast plug-in entry in Outlook.

Make sure the avast plugin is disabled/removed in MS Outlook:
Outlook 2007 > Tools > Trust center > Add-inns.
Outlook 2003 > Help > About > Disabled items
Outlook 2000 > Tools menu > Options > Other > Advanced Options > Add-In Manager.