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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 Proxy Error on Windows 10

You open Windows Security and see an error: "Your IT administrator has limited access to some are...

How to Fix Firefox Not Responding on Windows 10

Firefox becomes unresponsive on Windows 10 for various reasons—a stuck process, corrupted profile...

Fix Windows Activation After Hardware Change

If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...

Fix Windows Security High Memory Usage (100%)

You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...