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setup-checklists checklist library

Git Merge --allow-unrelated-histories: When and How to Use It

You run git merge and get an error: fatal: refusing to merge unrelated histories...

2026-07-02Windows Fixes

If you see the error "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome when trying to visit a speci...

2026-07-15macOS Help

After your computer wakes from sleep or hibernation, Remote Desktop may refuse to connect. This i...

2026-07-05Browser Issues

Cloudflare 521 error indicates the web server is down or unreachable. It appears as “web server i...

2026-07-27Office Tools

If Windows Explorer (explorer.exe) keeps restarting—freezing, flashing, or crashing repeatedly—it...

2026-07-02Developer Tools

When running PostgreSQL in a Docker container with a mounted volume, you may see errors like

2026-07-25Cloud Software

You're seeing a 302 redirect loop in Nginx — the browser keeps bouncing between URLs until it...

2026-07-09Security Tools

You open Windows and notice some taskbar icons are gone—maybe the volume, network, or battery ico...

2026-07-18Backup Recovery

If you installed Anaconda on Windows but typing python in Command Prompt returns

2026-07-18Network Tools

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

2026-07-14Database Tools

After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...

2026-07-03AI Tools

You run git push and get: ! [rejected] main -> main (non-fast-forward)

2026-07-24Productivity Apps

When you attempt to connect to a remote PC and see error 0x80004005, the connection usually fails...

2026-07-11CLI Errors

If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

2026-07-01Docker Kubernetes