Cant login to server

Hello,
I have a problem with connecting to the server. I was online yesterday and everything worked fine. Now when i try to login it says "Unable to cennect. Please try again later. If the problems persists, ......" and from time to time it just shows " Login server Down."
Tried deleting Cache folder, tried deleting/changing realmlist.wtf, tried deleting/changing WTF/Config. Nothing works for me. Can't even download the warmane client from website, because its computer for work so I can't install anything without permission from administrator. I am using my old wow folder i saved on external HDD which to this day worked perfectly.

Any help appreciated

P.S. I found the same problem someone had on retail and the gm just reseted his account and everything worked. Can some GM try it on my acc, please? Only if it doesn't delete my char ofc. :)

Thanks,
Marek

The staff has no clue about troubleshooting technical problems. I had the same problem for a month , no1 ever answered with a solution. I come back to the forum now from time to time to inform people like you about the situation . Dont waste your time here, find another game or server