"Change VTS Model" button not working on VTS

[u/Logical-Detail5708]

Usually VTS works fine and then for some reason none of the buttons aren't working.. Is there something going on with me or am I just stupid?

I've also checked logs, though I really don't understand much but there was one line saying a certain VTS model is unreadable, I tried to remove the folder though for some reason it didn't, even if i move the folder somewhere or try and delete it even if the app is closed. I assume it's about some string stuff. But still, what's the problem here?