Outlook 2003 Add-Ins disappearing suddenly!

[pranav.js]

Hi

I am working on a VSTO Project(Outlook 2003 Add-In) which is developed
in VS2005. The problem with this is that it is working fine in some
systems. But, in some systems, the add-ins are not displayed. In some
other systems, they are disappearing suddenly, and are not installing
even on repairing or removing the old one and install again.

I have an ocx file in my project. I am getting an error while
installing - "Cannot register PluginControl.ocx". I have continued the
setup and registered that ocx file under elevated command mode. No
Luck!

The client system has Windows XP SP2 and I have installed and
rechecked the following in it.
* .NET Framework 2.0
* O2003PIA and
* VSTO Runtime - Shipped with VSTO 2005SE

I have created a new limited user account in one of the problematic
systems. The Add-In is working fine. Even-though the problematic user
account has admin privileges, it is getting error - "Not Loaded. Error
occurred while loading COM Add-In".

As this is working properly in some systems, I don't think that there
is a problem with the code.

I am fed up with this and couldn't reproduce it!
Can anyone please suggest a reason for this abnormal behavior of plug-
in? What might be wrong with that systems, specifically, user
accounts?



Thanks and Regards,
Pranav

 

[Ken Slovak - [MVP - Outlook]]

Aside from that OCX registration problem the only way to tell what's going
on with load errors is to study the Fusion logs. Fusion is the managed code
loader. Read the article at
http://blogs.msdn.com/vsod/archive/2008/04/22/Troubleshooting-com-add-in-load-failures.aspx
and see what the logs say.

As far as that OCX, it was created using unmanaged code? Can you run
regsvr32 on it yourself on your own systems? Does that work? Other than a
bad OCX, missing OCX dependencies or Vista permissions problems I can't see
why the OCX won't register.

Does your OCX have any dependencies that might not be on systems where it's
failing to register? You can try registering the OCX through Dependency
Walker (http://www.dependencywalker.com/), that might tell you if there are
any missing dependencies.

 

[pranav.js]

Sorry, Mr. Ken, for choosing a wrong group for my problem and posting
an unmatched topic!
As I have problem during installation, I thought that, I may get a
solution for my problem here. Just took a chance. that's it!
But, now I understood.

I am terminating the thread here itself and continue discussing the
topic in my old, interop group.
http://groups.google.com/group/micr...nterop/browse_thread/thread/d6f53d6d6b3d393b#


Thanks,
Pranav