Let's uninstall the tools we used.
1. Right-click on AdwCleaner and select Run as Administrator to start the program. Click on the Uninstall button.
2. To remove FRST, please download OTC http://oldtimer.geekstogo.com/OTC.exe
Close all programs.
Start OTC program.
Click the CleanUp! button.
Select Yes when asked "Begin cleanup process".
If you are asked to reboot, select Yes.
After that it's recommended to check if there're any important updates for Windows and install those if available.