I can't log into the game at all (I have no idea what the hell disappeared from me jar.exe )

Hello, developers of such a good project as Minecraft! Today I can't log into minecraft at all, I get an error saying that there is no such file as jar.exe . I have no idea where they disappeared to (the reconstruction of events is as follows: after I played the cursed walking build, I decided to go play with a friend via radmin vpn, so after I wanted to go to him, I got an error when logging in: getsockopt(I'm sorry if I misspelled it), after which I went I had to fix it, and somehow it disappeared from me. jar.exe . I can't log into Minecraft. Please tell me how to fix it.