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#11
It sounds like an issue with the push notifications feature in Chromium based browsers (which includes MS Edge). Please see if the instructions in this Malwarebytes Labs article help or not.
Please let us know how it goes and if the issue still persists.
Personally I used Malwarebytes early this year but Malwarebytes scanned my whole system but Malwarebytes did not found infected files then I got rid of Malwarebytes then I used ESET Online Scanner early this year but ESET Online Scanner scanned my whole system but ESET Online Scanner did found infected files and ESET Online Scanner did a super good job!
Malwarebytes is not designed to function like normal AV scanners and uses a new kind of scan engine that relies mostly on heuristics detection techniques rather than traditional threat signatures. Malwarebytes is also designed to look in all the locations where malware is known to install itself/hide, so a full or custom scan shouldn't be necessary, especially on any sort of frequent basis (like daily), especially since the default Threat Scan/Quick Scan checks all loading points/startup locations, the registry, all running processes and threads in memory, along with all system folders, program folders and data folders as well as any installed browsers, caches and temp locations. This also means that if a threat were active from a non-standard location, because Malwarebytes checks all threads and processes in memory, it should still be detected. The only threat it *might* miss would be a dormant/inactive threat that is not actively running/installed on a secondary drive, however if the threat were executed then Malwarebytes should detect it. Additionally, whenever a new location is discovered to be used by malware the Malwarebytes Research team adds that location dynamically to the outgoing database updates so the locations that are checked by the default Threat/Quick Scan in Malwarebytes can be changed on the fly by Research without requiring any engine or program version updates/upgrades.
If you need a flat file scanner to check archived data/drives, I would recommend using one of the many available free AV scanners such as Kaspersky's Virus Removal Tool, ESET's Free Virus Scan, or even the built in Windows Defender that ships with Windows 8/8.1 and Windows 10. Links to the first two scanners I mentioned can be found below:
Free Virus Removal Tool | Free Virus Scanner and Cleaner | Kaspersky
Free Virus Scan | Online Virus Scan from ESET | ESET