Software comparisons, alternatives, and tool decision notes.

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

Fix Python Module Not Found in VS Code: Common Causes and Solutions

You open a Python file in VS Code, run it, and get ModuleNotFoundError. The module i...

PowerShell Script Execution Disabled: How to Enable It

If you see an error like 'running scripts is disabled on this system' when trying to run a PowerS...

Reduce OneDrive High Memory Usage: Configuration Settings

If OneDrive is using more memory than expected—say over 500 MB on a system with 8 GB RAM—it can s...

How to Reinstall the Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...