Fix 'Security Module Not Found' in Windows Defender
If you see a message in Windows Security that says something like "Security module not found" or ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Search Port 80 Already in Use Error
You’re trying to start Windows Search or an indexing service, and you see an error like “Port 80 ...
How to Fix Windows Defender Proxy Error
If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...
How to Fix Microsoft Store Permission Denied After Update
After a Windows update, you might see a "permission denied" error when trying to open or download...
Fix PowerShell Service Unavailable Error (Enable or Restart)
If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...
How to Get Administrator Permission for Windows Activation
When you try to activate Windows and see an error like “You don’t have permission to activate” or...