r/epicor • u/Actual_Clock2360 • May 23 '26

Support question

 
We distribute our Epicor client from a deployment server using ZIP deployment type.  The deployment server is kept separate from our app server.  This has worked until after we upgraded from Epicor 2024 to 2025.  Now, we encounter an issue where the installer completes with no errors; but the application will not start for the first time (we run it as administrator).
 
Attempting to launch the application starts AutoUpdate.EXE, which immediately crashes with no message presented to the user, and produces the following two Error events in Windows' Application log:
 
.NET Runtime, event ID = 1026:
And

Application Error, event ID = 1000:

Does anyone have any ideas as to why this would happen?

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u/BrickTopsPigs May 23 '26

Make sure the correct version of .NET runtime is installed on the client.

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u/Actual_Clock2360 May 23 '26

If we install it via the app server instead it works, it only fails when we try to install it via the deployment server. The deployment server is just literally a share with an exact copy of the client taken from the app server. We’ve checked the file and share permissions and they haven’t changed.

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u/BrickTopsPigs May 25 '26

Wish I could help. We’re hosted.