Checklists for software errors, setup, and tool workflows.

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Windows Activation Service Unavailable in Safe Mode: Fix

When you boot Windows into Safe Mode, you may see an error that the Software Licensing service (s...

Fix Windows Security Real-Time Protection Stuck

Windows Security’s real-time protection can get stuck in an “on” or “off” state, sometimes refusi...

OneDrive 504 Gateway Timeout Troubleshooting Checklist

If you see a 504 Gateway Timeout error in OneDrive, it means the server didn't respond in time. T...

How to Fix Windows Update Invalid Configuration via Clean Boot

If Windows Update fails with an error like 0x800f0922 or 0x8024402c, it...

Fix MySQL Connection Refused on Localhost

You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...

Fix Chrome Profile Download Not Starting on Windows
You click the profile download link in Chrome, but nothing happens—no download starts, no error m...