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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 Activation Error 0x803f7001 (Rate Limit)

You see error 0x803f7001 when trying to activate Windows. The message mentions a “rate limit.” Th...

Fix Windows Security Won't Turn On Real-Time Protection

You click the toggle to enable real-time protection in Windows Security, but it switches back off...

Fix Remote Desktop 504 Timeout with Network Load Balancer

When you use Remote Desktop Gateway (RD Gateway) behind a network load balancer, a 504 Gateway Ti...

Fix GitHub Actions Cache Action Permission Denied Error

Fix Windows Defender High Memory Usage During Sync

You notice your PC slows down during file sync operations—OneDrive, Dropbox, or local sync tools—...