I can help with tips on upgrading or optimizing that specific setup.
Using software from 2018 means you are missing years of protection against new ransomware, fileless malware, and zero-day exploits. Malwarebytes.Premium.v3.4.5.2467-1.0.342-1.0.48...
However, if you are using this specific version for compatibility reasons, 1. Installation & Licensing (v3.4.5) I can help with tips on upgrading or