Windows Security App Not Working After Update: Fixes
After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...
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View listHow to Fix 'Windows Defender Module Not Found' Error
If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...
Fix 'Port Already Allocated' Error After Windows Update
After a recent Windows update, you might see an error like 'port already allocated' when starting...
Fix Windows Defender Real-Time Protection Not Working with Network Error
You open Windows Security and see a yellow warning that real-time protection is off. When you try...
Fix Windows Defender Login Loop in Safe Mode
If Windows Defender keeps asking you to sign in repeatedly—even in Safe Mode—the problem is usual...
Fix PowerShell Service Unavailable Error on Windows
You're running a PowerShell command and get a red error: "Service unavailable". ...
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