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Excel VB.net/VSTO Add-in gets disabled often

Hi

I have a Excel VB.net/VSTO Add-in  built in Visual Studio 2010.
It gets rolled out to over 70 people.
The problem is that every so often the ribbon disappears and the
add-in gets disabled. Most users don't handle this well.
How do I stop this from happening?
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Murray Brown
Asked:
Murray Brown
2 Solutions
 
Rory ArchibaldCommented:
Normally you should get a warning asking if you want to disable the add-in if Excel thinks it has caused a problem. There isn't really much you can do about that other than try and figure out what the underlying problem is - unfortunately, it may not actually have anything to do with your add-in, in my experience.
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Leon KammerCommented:
Hi,

Could be many things from a corrupted xlb file to network permissions, the office ribbon has been and continues to cause problems since 2007.

Does CTRL+F1 restore the ribbon?

Does the ribbon disappear for files accessed only over the network file share (and for files in protected mode)?;
Does the ribbon disappear for those users on the wireless and wired networks?

Does the ribbon disappear:
When a macro enabled file is opened?;
When a specific file is opened (or does it occur randomly)?;
When opening a file directly (double clicking) as well as when opening a file from within an Excel session?

Cheers

Leon
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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thank you both. It looks like the problem isn't going to go away and I should focus on telling users to watch for that prompt
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