Windows 10 and Run As Administrator

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Windows 10 and Run As Administrator
Excel COM AddIn will not AddIn.Connect unless Excel is started As Administrator 
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Glen Griesel




Posts: 31
 Joined: 2012-08-15
1) We were using the Add-In Express - Register / Unregister tool within VS2015 to register and unregister our add-in on the development machine.
2) When we changed from a per-machine to a per-user add-in, it would appear that the Add-In Express - Unregister tool was not properly cleaning out the registry entries associated with the per-machine add-in including the HKLM\Software\Microsoft\Office\Excel\... key.
3) This was why our per-user add-in still required launching Excel with "Run as Administrator".
4) After manually cleaning out the registry and then re registering the per-user add-in we were able to launch Excel normally and have the add-in loaded.
5) The big take away from this "storm in a tea cup" is that while Windows 7 / 8 and Excel 2007 / 2013 would load a per-machine add-in with or without "Run As Administrator", Windows 10 And Excel 2016 will NOT load a per-machine add-in unless Excel is launched with "Run As Administrator"
6) So, as Andrei advises, it is better to create per-user add-ins, particularly on Windows 10 and Office 2016
7) Problem is sorted and this case is closed.

Thanks Andrei for all your help.
Glen
Posted 31 Oct, 2015 06:25:52 Top
Andrei Smolin


Add-in Express team


Posts: 17124
 Joined: 2006-05-11
Hello Glen,

You are welcome.

Glen Griesel writes:
4) After manually cleaning out the registry...


You could reset your add-in to be per-user and unregister it. We recommend unregistering the add-in before you change the RegisterForAllUsers property.

Regards from Belarus (GMT+3),

Andrei Smolin
Add-in Express Team Leader
Posted 02 Nov, 2015 04:19:35 Top

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