Knowledge base for software setup, errors, and daily tool work.

Fix Windows Update Error 0x80070002: Missing File

If you see error 0x80070002 when running Windows Update, it usually means the system cannot find ...

Nginx Configuration Test Failed: Fix Server Block Errors

When you run nginx -t and see "test failed" with a server block error, it us...

Fix Windows Explorer Crash Loop: Step-by-Step Guide

Windows Explorer keeps crashing and restarting in a loop, making your desktop unusable. This guid...

Git Detached HEAD Warning Explained: Causes and Fixes

You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

Fix Git Push Rejected Non Fast Forward Error