The SpywareQuakeInstaller.exe is installed in the system by various sites and it tries to spoil the user to access to commercial subscriptions. However this acquired product never does its tasks since it does not exist; and considering the inexistent message, thee isn’t consequently

Infections. The only infection is the adware and among its ancestors, we find the best-known Smitfraud and SpyFalcon among others. It is not neither highly dangerous nor very threatening; it is simple to remove it, so this is a reason to eliminate it completely.