Can't start Tower Unite

[JohannesDau]

It’s a security risk to just run games as administrator, especially with unfinished software like Tower Unite. Try this first:

@JohannesDau

Valve recently added a feature to the Steam Client that sounds like it should help in cases just like this:

(My Client is in German so I’m guessing here)
Steam > Settings > Downloads > Steam Library Folders (Opens as new Window) > Rightclick the Library that contains TU > Repair Library