How to Fix Windows Security Not Working
Windows Security (formerly Windows Defender) may fail to open, show a blank page, or refuse to up...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Microsoft Teams Modern Authentication Failure
When Microsoft Teams shows 'We couldn't sign you in' or 'unable to authenticate with modern authe...
How to Fix Outlook Setup Error 0x80040115
When setting up an Outlook profile, error 0x80040115 usually appears during the initial connectio...
How to Fix Windows Security High Memory Usage
You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...
Fixing BitLocker Invalid Configuration Errors
You try to enable BitLocker or see a drive status showing 'invalid configuration.' This usually m...
Fix Windows Update SSL Certificate Error 0x80072f0d
You see error 0x80072f0d when checking for Windows updates. The system cannot verify the update s...