Fix Windows Update Connection Refused Due to Proxy Settings
When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...
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View listFix OneDrive Sync Service Unavailable on Windows 10
You open OneDrive and see 'Sync service unavailable' with no files syncing. This usually means th...
Check 504 Gateway Timeout with Ping: Quick Diagnostic Steps
When you see a 504 Gateway Timeout error, it means a server upstream didn't respond in time. Ping...
Fix High CPU Usage by Antivirus Scanning PowerShell
If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...
Fix Windows Defender DNS Error Configuration
If you see an error in Windows Defender that mentions DNS configuration, it usually means Windows...
Fix Windows Defender SSL Certificate Sync Errors
You might see a warning that Windows Defender can't update because of an SSL certificate error. T...
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