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

How to Fix Windows Security Not Loading

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

Fix GitHub Actions Cache Action Permission Denied Error

Fix 'Windows Terminal Configuration File Not Found' on Ubuntu

If you're using Windows Terminal with Ubuntu via WSL and see an error like "Configuration file no...

Fix Maven Dependency Resolution Issues Behind a Proxy

When Maven cannot resolve dependencies, a common hidden cause is incorrect proxy configuration. Y...

Fix Task Scheduler 'File Locked' Errors When Tasks Don't Run

You set up a scheduled task in Windows Task Scheduler, but it never runs. When you check the hist...

How to Rebuild the Windows Search Index Step by Step

If Windows Search returns no results, shows outdated files, or takes too long, the search index m...