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How to Back Up and Restore Microsoft Store Apps in Windows 11

If you've reinstalled Windows 11 or moved to a new PC, you might need to restore your Microsoft S...

Fix Windows Defender Real-Time Protection Turning Off

If you see a notification that Windows Defender real-time protection is off, or it keeps turning ...

Fix Windows Defender Proxy Error on Windows 11

If you see a proxy error in Windows Defender on Windows 11, it usually means Defender can't reach...

Microsoft Teams API Rate Limit: How to Fix and Avoid Throttling

If you're building integrations or bots for Microsoft Teams, you've likely hit a 429 Too Many Req...

Fix OpenVPN Permission Denied on Tun Device

When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...

Fix Remote Desktop Sound Not Working: Practical Steps
You connect to a remote PC via Remote Desktop (RDP), but there's no sound—no system alerts, no me...


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Windows Defender Proxy Error Troubleshooting
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Fix Windows Defender 404 Error in Command Prompt
Fix Windows Activation Invalid Configuration via Command Prompt
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