It seems to be frozen. Simply power-down the machine, and then power it back up again. After a few minutes of booting, you will be asked to supply user name and password to login to the system. This information is posted on the top of every monitor screen of public workstations. Please notify the LRC staff, so that we can arrange for the equipment to be repaired or replaced.
Many people think that it is harmless to download and set up software.
It is not. We are running a secure network infrastructure, which we maintain in-house. Each machine has a specific configuration and profile. We ask that you NOT install software on any public workstation . It also includes graphics utilities.