Windows Welcome/log on screen has SophosSAU<yourComputer'sName> as the only account the user can log on with.
First seen in
Sophos Anti-Virus for Windows 2000+ 7.6.1
Windows XP Professional SP2
What To Do
Press Ctrl+Alt+Del twice at the log on screen and you can then log on classically.
- Reboot into safe mode.
- Open the Control Panel and then User Accounts.
- Changed the way users logged on.
- Unticked the "Use the Welcome Screen" option.
- Reboot the machine into normal mode and logged in with the users credentials.