How to Fix Windows Defender Cannot Connect Issue
If you see “Windows Defender cannot connect” or similar errors, it usually means the service is b...
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3. Apply
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View listFix 'Port Already Allocated' Error in Windows Defender on Windows 10
You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...
Fix PowerShell 502 Bad Gateway Certificate Errors
When you run a PowerShell script that makes an HTTPS request, you might see a 502 Bad Gateway err...
Fix Windows Defender Authentication Failed Error in Windows 10
You see a message like 'Windows Defender Authentication Failed' when trying to open or update Win...
Fix Windows Activation Port Blocked by Another Application
When you see an error like "Windows activation port already blocked by another application," it u...
Fix OneDrive Sync Issues After Windows Update
After a Windows update, you might find OneDrive stuck on "Processing changes" or showing sync err...
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