Malwarebytes real-time malware and PUP protection won't enable in Malwarebytes for Windows Support Forum Posted December 4 Hi @ToddTheSquid, You've encountered a known database update issue that results in an issue with Malware Protection starting. We're currently working on a permanent fix and hope to release it shortly. This fix will come in the form of another database update. The easiest method to restore Malware Protection functionality is to perform a clean reinstallation of Malwarebytes with the Malwarebytes Support Tool. Please refer to the following: https://support.malwarebytes.com/docs/DOC-2674 It's possible you may still encounter an issue afterwards. Let us know if you do and follow-up instructions will be provided.