Yes you can download a disc from here https://www.microsoft.com/en-gb/software-download/home … Windows 7, 8 and 10 are available
I can see nothing wrong that would cause these problems as all third party drivers are disabled in clean boot
Do a clean install of MBAM … Details here https://forums.malwarebytes.org/index.php?/topic/122284-mbam-clean-removal-process/
If that fails we may need to recheck system files … Or go for your re-install option