Fix Windows Defender Module Not Found Error
You open Windows Security and see an error: "Module not found" or "Windows Defender module not fo...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Fix Command Prompt Not Opening in Windows
When Command Prompt (cmd.exe) refuses to open—either by clicking, typing 'cmd' in Run, or via the...
How to Set Up Windows Security for Maximum Protection
If you're relying on Windows Security (formerly Windows Defender) as your primary antivirus, you'...
Outlook Setup Cannot Connect to Server: Fixes to Try
When you try to set up an email account in Outlook and see "cannot connect to server," the setup ...
Fix Windows Security 'Failed to Start' Group Policy Error
You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...
Fix OneDrive 502 Bad Gateway Error from Proxy Settings
If you see a 502 Bad Gateway error in OneDrive, it often means a proxy or network device is inter...