Blog - Winforms in .NET 6 - Designer not loading

[Blog] Winforms in .NET 6 - Designer not loading - by simon at Mon, 04 Apr 2022 18:41:21 GMT

Are you having issues with loading the designer and getting InvalidOperationException and a NamedPipeTimeout trying to connect?

Open a PowerShell in Admin mode and run this to set an exclusion in Defender for the design server:-

Add-MpPreference -ExclusionProcess 'DesignToolsServer.exe'