Cannot start Postgres on port 5432

Question

I just installed postgres.app, but when I try to start the server I get the following error:

After checking some answers in a similar thread I verified that my PATH is defined correctly and that no other process is running on port 5432:

So what's going on with port 5432?

Answer 1

Simple solution. Uninstalled and reinstalled and now everything works on port 5432. Very strange error, I am curious if anyone has any ideas about how this happened.