Checklists for software errors, setup, and tool workflows.

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Fix Redis Not Starting with systemctl on CentOS

If you run systemctl start redis on CentOS and the service fails silently, you're no...

How to Reset VSCode Terminal Settings to Default

If your VSCode terminal is behaving oddly—wrong shell path, missing colors, or commands failing—r...

Fix Windows Defender Port Already Allocated Registry Error

When Windows Defender fails to start or update, you might see an error like 'port already allocat...

How to Fix Microsoft Store Error 504 Gateway Timeout

When you try to open Microsoft Store and see Error 504 Gateway Timeout, it usual...

Fix 'Windows Terminal Module Not Found' in VS Code

You open VS Code's integrated terminal and see an error like ModuleNotFoundError: No module...

Fix Command Prompt High CPU Usage Caused by Windows Update
You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...