Not actually correct. You needed to fiddle about with code access security using the caspol tool and then they'd run just fine. .NET 4 disables CAS by default

Not actually correct. You needed to fiddle about with code access security using the caspol tool and then they'd run just fine. .NET 4 disables CAS by default though there can still be a bit of faff to get an exe to launch from a file share, but it is doable. .NET core abandoned CAS (https://docs.microsoft.com/en-us/dotnet/core/compatibility/core-libraries/5.0/code-access-security-apis-obsolete https://docs.microsoft.com/en-us/dotnet/core/compatibility/c...)