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Hey community,

today, i'm comming into some curious issue. I used the Designer inside of VS 2019 and it worked just fine.
Later the day I updated VS2019 to the current version of 16.11.5 (Before I was on 16.11.4)

Since then, the Designer will not open anymore. Sometimes it just opened the text/xml editor.

On the first try when using "Open with", just to be sure, im getting the message: (roughly translated) An element with the same key has been added already.

Nothing happens. It just openes that same "Open with" dialog. Second try doesn't do anything.

I updated the LinqtoSql Tools Pro to latest version and it doesn't helped. I want to just mention, that during installation it will remove the old version, so another unistall will not be necessary, hopefully.

Thank you!
Warm regards
Florian dahn

PS: I started the Entity Developer UI and directly after starting it crashed. I reported it by mail. Maybe it helps.
PS2: I also installed 2 windows 10 updates today (KB5006670 and KB5005539), I will uninstall both now and let you know.

UPDATE: I uninstalled the first Windows 10 Update KB5006670 and Now everything (the Designer in VS2019 and the extern Entity Designer) is working again as expected. So take care and take a look what it has to do with this update.

I have the exact same problem. The standalone entity developer would start up and a small report error window would appear - then be hidden by the splash screen.

The removal of the windows update restored functionality. Thanks for finding the temp fix! I've got to support production :-)

-Pete

Thank you for your report. We have reproduced the issue with Windows 10 Update KB5006670 and will notify you about the results of our investigation.

The bug with launching Entity Developer after applying Windows 10 Update KB5006670 and Windows 11 Update KB5006674 is fixed in LinqConnect v4.9.2338: viewtopic.php?f=31&t=48946.

I downloaded and installed that Windows 10 Update KB5006670 again and can confirm that this issue is now fixed.
Thank you guys!
Warm regards
Florian Dahn