The Admin user is disabled Tech Support Scam is a Trojan from the family that displays a fake Windows login screen that pretends that the Admin user is disable due to malicious files being found on the system. This is done to try and trick the user into calling the listed remote tech support number…
Article Link: http://www.bleepingcomputer.com/virus-removal/remove-admin-user-is-disabled-tech-support-scam
Credit to: https://cert.europa.eu