Checklists for software errors, setup, and tool workflows.

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix 'Windows Cannot Access Shared Folder' via Registry

When Windows reports it cannot access a shared folder, the cause is often a misconfigured registr...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Windows 11 WiFi No Internet Due to Antivirus Blocking

If your Windows 11 PC shows full WiFi bars but no internet access, your antivirus might be blocki...

Fix Windows Explorer Restarting with SFC Scannow

If Windows Explorer keeps restarting on its own—your taskbar disappears and reappears, or File Ex...

Windows 10 Taskbar Icons Not Responding: Practical Fixes

If your Windows 10 taskbar icons stop responding—clicking does nothing, right-click menus don'...