Windows Security App Missing in Windows 11: How to Restore It
If you open Start and type 'Windows Security' but nothing appears, or you get an error when tryin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix High CPU Usage by MsMpEng.exe (Windows Defender)
If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...
Fix Microsoft Teams High CPU Usage on Windows 10
If you notice your fan spinning up or your PC slowing down while Microsoft Teams is running, high...
Fix OneDrive Sync Stuck on 404 Not Found Error
If your OneDrive sync is stuck and you see a 404 Not Found error, it usually means the sync engin...
How to Access BitLocker Files Without a Password
You're trying to open a BitLocker-encrypted drive or file, but you've forgotten the password. It'...
How to Reauthenticate OneDrive Sync on Windows and Mac
If OneDrive has stopped syncing and you see errors like 'Sign in required' or 'Credentials needed...
Issue queue
SitemapRemote Desktop Connection Not Working on Windows 11: Fixes
Remote Desktop 404 Not Found: Network Settings Fix
Troubleshoot Chrome Profile Update Problem
Clear RDP Cache Windows 10 – Fix Connection Problems
Outlook Profile Reset Guide: Step by Step
How to Restore Missing VMware Virtual Ethernet Adapter
Resolve 'PowerShell Not Recognized' Path Issue
How to Resolve PuTTY Connection Refused After Restart
Fix Windows Activation Proxy Error: Step-by-Step
Microsoft Store Access Denied After Windows Update
Windows Activation Server Error: Step-by-Step Fix
How to Clear SSL Cache for Windows Search Problems
Remote Desktop 404 Not Found: Network Settings Fix
Troubleshoot Chrome Profile Update Problem
Clear RDP Cache Windows 10 – Fix Connection Problems
Outlook Profile Reset Guide: Step by Step
How to Restore Missing VMware Virtual Ethernet Adapter
Resolve 'PowerShell Not Recognized' Path Issue
How to Resolve PuTTY Connection Refused After Restart
Fix Windows Activation Proxy Error: Step-by-Step
Microsoft Store Access Denied After Windows Update
Windows Activation Server Error: Step-by-Step Fix
How to Clear SSL Cache for Windows Search Problems