Form Region cannot be opened

[shubhangi]

hello
I've VSTO SE Addin for Outlook 2007.When I install addin setup on one
machine it gives me error "The form region cannot be opened.The form region
manifest specifies an add-in that is not installed". In COM Addins dlg in
outlook , addin is described as unloaded ( in registry LoadBehavior is
3).Form region entries are present in registry.
This error doesn't appear on other 2 machines when I install same setup
there ,addin works correctly ,form regions are also shown.What might be the
reason behind this?

thanks

 

[Ken Slovak - [MVP - Outlook]]

Did the security setup for CAS run correctly for the addin? Do you see the
settings for full trust appearing in the framework configuration utility?
What's different about the machines where it works and where it doesn't? Is
everything required installed on that machine (VSTO runtime, PIA's, etc.)?

 

[shubhangi]

Thanks Ken
Yes the security setup for CAS run correctly.I checked the
settings -fulltrust permission
appears in framework configuration.all prerequisites also exist.The m/c on
which it gives
problem is having Office ultimate 2007 whereas other 2 machines have Office
enterprise 2007.
I'm still finding the cause behind this behavior but invain..

 

[Ken Slovak - [MVP - Outlook]]

There shouldn't be a difference between Office 2007 ultimate and enterprise
for what you're doing. I run both here.

If you select the addin in the COM Add-Ins dialog in the Trust Center when
you try to check it does it show any load errors from mscorlib or any other
source? If so it's either a trust issue or a lack of some dependency at
least in my experience. There's no way to tell from here what's missing
though.

What about any other addins or software running on that computer? Outlook
addins, synch software, stuff like that where there's Outlook integration,
even A-V products that integrate with Outlook.