Checklists for software errors, setup, and tool workflows.

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

Fix VS Code Breakpoints Not Hit in C++: Practical Checks

You set a breakpoint in VS Code while debugging a C++ program, but execution never stops there. T...

Fix pnpm install ETIMEDOUT Errors: Network & Config Checks

When you run pnpm install and it fails with ETIMEDOUT, it usually means...

Windows Security App Not Opening on Windows 10: Fixes That Work

When you click the Windows Security icon in the Start menu or taskbar and nothing happens, it’s u...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...