Posted by dellus on Feb 09, 2021; 10:36pm
URL: https://forum.librecad.org/LibreCAD-2-2-0-rc-2-1-will-not-install-on-my-Windows-10-tp5720173p5720180.html

Ah, it seems LibreCAD just doesn't have a certificate from Microsoft or something like that (unrecognized app). If you click on More info what happens then? Are you asked if you want to run it anyway?

I think it's false alarm.