Okay I think we finally got it solved!
I reinstalled MWB and when I did so it warned me of errors with the drivers located at C:\Windows\System32\Drivers
However I skipped the warning message and the installation finished and MWB worked normally.
I did the scan and it found nothing, but still the same error with MWB and Windows Defender being turned off kept appearing.
I continued the instructions in reply #4 and did the adware and junkware scans. I think atleast something was found.
Then I did the sophos scan which took a while but it found something. I don't think that what it found was malware as I have had the file for a long time.
How can I now be sure that all the infections are gone and there are no settings being left so that I'm vulnerable for new problems.
Also one more thing. The infection disabled my control center from the bottom right corner of my desktop how do I get it back