Hi there. I ran into the same problem and I have run what was suggested in this post. For me, when I try to start the Web Protection, it stays "Starting...". I have run the mb-clean-3.1.0.1031 file as suggested. It downloaded and installed the latest version. The problem still exists. I then did the following:
Open Malwarebytes
Navigate to Settings -> Application
Turn on Event Log Data
Navigate to Settings -> Protection
Attempt to enable Web Protection
Wait 30 seconds
Run mb-check again and upload the new mb-check-results.zip file
So, here are the files. I hope you can see what is wrong with the installation. Thank you in advanced!
Addition.txt
FRST.txt
mb-check-results.zip