There is always the update which happens on the antivirus to keep it updated and many a times due to update there are various problems which occurs like the crashes or blue screens and many other. Malwarebytes had help in fixing many of the crashes, blue screens and many of the problems had been found such as –
1.If the user is using earlier version and had updated it then, reinstall it and update the new version as it will not have any of crash or problem.
2.Does not supporting Ransomware protection.
3.New scan does not able to do Threats Quarantined which is being found in scan.
There are many issues which have been found just reinstall the updated version and if still any problem is there contact customer care number.

More Info: https://www.antivirusonlinesupport.com/malwarebytes-customer-service.html
More Info: https://www.antivirusonlinesupport.com/