Fix Windows Defender Service Not Running
If you see "Windows Defender service not running" or a red warning in Security Center, the underl...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Port Already Allocated Error When Windows Security Is Off
You try to start a local server or application and get an error saying the port is already alloca...
Fix Windows Defender Real-Time Protection Off via Registry
If you see "Real-time protection is off" in Windows Security and the toggle is grayed out or keep...
Windows Security Configuration Checklist
If you're setting up a new Windows machine or reviewing an existing one, a security checklist hel...
Fix Windows Search Error 0x80070490: Cannot Connect
If you see "Windows Search cannot connect" with error code 0x80070490, it usually means the Windo...
Fix Remote Desktop Black Screen After Login
You log into a remote computer via Remote Desktop (RDP), see the login screen, enter credentials,...