I just copied my minecraft folder to the desktop and the launcher asked me to sign in again. I signed in but all my worlds were gone
I just copied my minecraft folder to the desktop and the launcher asked me to sign in again. I signed in but all my worlds were gone
You most likely moved your .minecraft folder out of where it was supposed to be placed. It contains a file that remembers your login (which is why you needed to sign in again) and your worlds (which is why they were all gone)