Computer unexpectedly shut down. Now start menu is empty and compute is locked

Hello

The Secure Lockdown brick one of remote PCs. It got unplugged from the power source and when plugged back it just brings user to the empty desktop with empty Start menu and no shortcuts work neither task manager can be started.

Please advise.

Please refer to the following forum post:
http://services.inteset.com/boards/topic/717/recover-from-a-locked-down-account-where-alt-shift-s-is-not-working