For your installed files:
1. 100% uninstall Kaspersky and install MSE (link in my signature) REBOOT!
Uninstall PC Optimizer from CyberDefender REBOOT!
If that alone, doesn't solve your problem, then:
Download and run Securia's Personal Security Inspector. This will help you to update some other programs. Free Security Software Download - (PSI) - Secunia
Go back to the Task Scheduler tab and DISABLE ALL! REBOOT!
WIN | type MSCONFIG | ENTER | STARTUP tab uncheck ALL