A new Component Package v1.0.1249 for Malwarebytes v4.3.0.98 is now available that includes a single fix for Windows 7 users. From Erix's 05-Apr-2021 product release announcement at https://forums.malwarebytes.com/topic/267780-malwarebytes-43/?do=findComment&comment=1449376 :
Just a quick note to let you that on Friday, April 2, 2021 we released an new component package 1.0.1249 for Malwarebytes 4.3.0.98.
As usual, if you don't want to wait for the 'Update Available' notification, you may retrieve the update manually by clicking "Check for updates" in Settings > General.
Here’s the one change included in the new component package:
Fixed: Win 7 machines - mbam.exe crashing and uninstall/reinstall does not fix it