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Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix 'Windows Defender Firewall Has Blocked' Error

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

How to Activate Windows on Mac Using Boot Camp Assistant

If you've installed Windows on your Mac using Boot Camp Assistant, the next step is activation. A...

Fix Windows Security Proxy Error: Permission Denied

When Windows Security displays a "proxy error: permission denied" message, it usually means the s...

How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

Windows Security Update Not Installing After Reboot: Fixes

You restart your PC to finish installing a Windows security update, but after the reboot, the upd...