Try cleaning the temporary files first.
Download TFC to your desktop
Open the file and close other windows.
It will close all programs itself when run, make sure to let it run uninterrupted.
Click the Start button to begin the process. The program should not take long to finish its job
Once it's finished it should reboot your machine, if not, do this yourself to ensure a complete clean
If you are unable to fix try to connect malware bytes support. You can get the Malwarebytes customer support number here.