Checklists for software errors, setup, and tool workflows.

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Fix SSH Permission Denied (publickey) Error

You try to SSH into a server and get Permission denied (publickey). This typically m...

Microsoft Store Token Expired After Password Change: Fixes

After changing your Microsoft account password, you may see a “token expired” or “sign-in require...

Fix Windows Activation Blocked by Firewall

If Windows activation fails with an error about a blocked firewall, your PC likely can't reach Mi...

Fix OneDrive 502 Bad Gateway: Sync Configuration Steps

If you're seeing a 502 Bad Gateway error when using OneDrive, it usually means a network layer pr...

Fix MySQL Connection Refused on Localhost

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

GitHub Actions Runner Not Connecting: Fixes That Work
You've set up a self-hosted GitHub Actions runner, but it never appears online or shows a "runner...