Com error 0x800401F3 when trying to create Addin in Enterprise Architect EA

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I'm trying to create an Addin in EA

-Assembly is made visible in COM from Assembly info

-Project is registered for COM Interop

using MS VS C# 2015, .Net 4 and EA 13. but after following all the steps in tutorial below I face this error: Missing (0x800401f3).

enter image description here

tutorial for Creating EA Addin: https://bellekens.com/2011/01/29/tutorial-create-your-first-c-enterprise-architect-addin-in-10-minutes/

thanks for your help.

c#
com
enterprise
asked on Stack Overflow Apr 20, 2017 by Ali Nejad

2 Answers

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Solved this problem on my site: Win7 / EA12.1: There was a "0" as value in the registry entry for HK_CURRENT_USER. Deleting that value solved the problem. All add-ins are flagged as being "enabled" now.

Got the information from http://sparxsystems.com/forums/smf/index.php/topic,37755.msg235804.html#msg235804 reply #6

answered on Stack Overflow Jul 10, 2017 by ngong
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I had a similar issue. My problem was that COM interop does not register my dll to HKEY_CLASSES_ROOT in registry. Try to check the presence of HKEY_CLASSES_ROOT/projectname.classname in your registry.

U can examine EA addins by this tool: https://github.com/EXploringEA/EAInstallationInspector In my case tool shows me this.

answered on Stack Overflow Oct 26, 2020 by Erik Maruškin • edited Oct 26, 2020 by MaxV

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