You have probably locked your account due to too many unsuccessful log in attempts.
Contact the HelpDesk with the contact information found at the very top of this page.
Windows: Putty keygen, MobaXTerm + ssh key, cygwin / moba local terminal ssh-keygen
Windows: MobaXterm saved session, PuTTY, cygwin / MobaXTerm terminal
edit (or create) ~/.ssh/config and add the following: Host hpc