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Whenever I open EXCEL, Microsoft Office Customization Installer asks me to if I want to install a specific customization (COMSOL).

How can I stop this? Screenshot

Thanks!

Kutadgubilig
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  • Try to look [here](https://social.msdn.microsoft.com/Forums/vstudio/en-US/1463f103-01a4-4b45-82d5-b689ac1127d0/microsoft-outlook-addin-security-warning-issue?forum=vsto) – it3xl Oct 29 '18 at 15:58

1 Answers1

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I found the solution here:

https://social.msdn.microsoft.com/Forums/vstudio/en-US/b6229b5a-fa1e-4eea-ac24-80260ed1bb6c/how-to-stop-a-popup-for-install-customization-excel-plugin?forum=vsto

So it's basically deleting a registry key which can exist in one of 4 possible locations:

Try either HKEY_CURRENT_USER or HKEY_LOCAL_MACHINE as starting points.

Then check Software > Microsoft > Office > Excel > Addins and Software > Wow6432Node > Microsoft > Office > Excel > Addins and delete the subfolders under Addins that belong to the Addin you want to silence Excel asking about. Worked for me in Win7 / Excel2013

Simon
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