Checklists for software errors, setup, and tool workflows.

Fix Redis Connection Refused on Localhost Setup

You try to connect to Redis from a local application and get "connection refused" or "ECONNREFUSE...

Fix Windows Security Proxy 504 Gateway Timeout Configuration

When Windows Security (Windows Defender) reports a 504 Gateway Timeout error through a proxy, it ...

How to Reset OneDrive Sync Without Losing Files

If OneDrive shows errors like "Sync pending" or "Changes not syncing," a reset often fixes it. Re...

Fix Windows Update Stuck Checking with Permission Error

If Windows Update hangs on "Checking for updates" and you see a "Permission denied" error in the ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Windows Update High CPU Usage Troubleshooting Checklist

If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe