A Microsoft file hosting and synchronization service.
He just means disable your "Web Protection" within Malwarebytes Premium. If you have the free version of Malwarebytes you won't have this option. Both of the computers I have OneDrive and Malwarebytes Premium installed on are having these crash/uninstall issues. I'm going to disable web protection in Malwarebytes and see if it makes any difference. If it does we need to get a hold of them to resolve this issue.