Can't open Local after first install 5.10.3

Hey @Khaiser, Welcome to the Local Community Forums!

This sounds like a bug that we’ve been hearing about for a while related to Windows 10 Pro:

A fix is very close to being released, but as a temporary workaround, you can manually download and install the 5.6.10 version:

Can you give that a shot and let me know if that gets you up and running with Local?