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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...

How to Fix Windows Defender 504 Gateway Timeout

If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...

Ubuntu Windows Update Configuration Checklist

If you run Ubuntu alongside Windows in a dual-boot setup or use a virtual machine, you may need t...

Fix Windows Security Not Opening Error 0x80073cfc

When you double-click Windows Security and nothing opens, or you see error 0x80073cfc, it usually...

Fix Microsoft Store Error 0x80070005: Permission Denied

You try to install or update an app from the Microsoft Store and see error 0x80070005, often acco...

Fix Windows Update Port Conflicts During Setup

Windows Update setup may fail if a required network port is already in use by another application...