Checklist to Resolve Windows Activation Invalid Configuration
You see an error saying your Windows activation is invalid due to an invalid configuration. This ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Update Auto Start Failed to Start
You might see an error saying 'Windows Update auto start failed to start' when you try to check f...
How to Add PowerShell to System PATH Variable in Windows
If you've installed PowerShell but can't launch it from a Command Prompt or another terminal with...
How to Fix Windows Update Service Not Running
When Windows Update fails to check for or install updates, a common cause is that the Windows Upd...
Fix Windows Defender Service Not Running
If you see "Windows Defender service not running" or a red warning in Security Center, the underl...
Windows Security App Missing After Update: How to Fix
After a Windows update, you might find the Windows Security app missing from the Start menu or sy...