Clickonce App Doesn't start with Windows 1803

Question

I have a Clickonce app from Visual Studio 2015 SP3 that is published to the network server and used in-house only. The program works just fine when launched from Visual Stud

Answer 1

It appears as though some subsequent Windows Updates have fixed the issue on several of our PC's that were previously experiencing the issue.

Check for the updates listed here. https://www.catalog.update.microsoft.com/Search.aspx?q=KB4338548

Running winver.exe will show you which build you have.