I cannot build projects with a strong name key signing - the message in the title always comes up.
Yes the project was initially copied over from another machine. Ho
Go to your projects "Properties" within visual studio. Then go to signing tab.
Then make sure Sign the Click Once manifests is turned off.
OR
1.Open the .csproj file in Notepad.
2.Delete the following information related to signing certificate in the certificate store xxxxx xxxxxx xxxxxxxx.pfx true false `
Worked for me.