Fix Windows Security High Memory Usage (MsMpEng.exe)
You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Fix Windows Defender 504 Gateway Timeout
If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...
How to Fix Windows Security Dependency Conflict
If you see an error like 'There is a dependency conflict with Windows Security' or Windows Securi...
Fix Windows Activation Authentication Failed: Invalid Product Key
You see "Windows activation authentication failed" or "product key not valid" when trying to acti...
Fix Chrome SSL Error: Cannot Connect to Website
You try to open a website in Chrome but see an error like “Your connection is not private...
How to Fix Windows Security Auto Start Disabled
If you notice that Windows Security (formerly Windows Defender) isn't starting automatically with...