Invalid session

 have this problem since 2 days ago. I have tried everything in my power to solve the problem. I have logged out of the launcher, completely uninstalled minecraft, deleted the .minecraft folder, changed users in the Windows Operating System (which by the way, was working for 1 day and then had the same error), I even changed computers, and I'm still having the same problem.
It is interesting that it is only with that account, because I have a 2nd account, that sometimes I lend it to my sister to play, and they have no problem. The truth is that I do not know what to do, I even thought about reinstalling the operating system of my computer, but seeing that it gives me the same problem on another computer, I see that this will not solve the error.