Windows Antispyware Solution is a fake security application from the same family as:
Windows Risk Eliminator,
Windows Universal Tool,
Windows Utility Tool,
Windows Security & Control,
Windows Optimization & Security,
Windows System Optimizator,
Windows Optimization Center,
Privacy Corrector,
Privacy Guard 2010. This rogue displays fake warning messages pushing users to buy a license.
If your PC is infected with
Windows Antispyware Solution use
MBAM to remove the infection.