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...
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View listFix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Windows Defender Not Working After Update: Checklist
After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...
Fix Windows Activation Error 0xc004f074 on Server 2019
You see error 0xc004f074 when activating Windows Server 2019. This usually means the server can't...
Lost BitLocker Recovery Key: How to Unlock Your Drive
If you're staring at a BitLocker recovery screen and don't have the 48-digit key, you're not alon...
Fix Windows Defender Real-Time Protection Access Denied
You try to turn on Windows Defender real-time protection but get an 'access denied' message. This...
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