I was banned in ICQ?

For the third day I can not go to ICQ under my login. I tried many versions of clients, including official ones, including Jimm. Tried under different providers, does not work. It happens that once a day will go, but does not load the list of contacts. All clients fall out just with a "server error". At the same time, another account works, and ICQ’s friends also work. Maybe I stole a password? Then how to change it? Soap assigned to the account, I have.

PS I am ready to kill my karma, but my colleagues from higher organizations can be contacted only via ICQ.

UPD : changing the password did not help