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

Fix npm run build Failed with PostCSS Error

You run npm run build and see a PostCSS error. This often happens after updating pac...

Windows 11 Taskbar Icons Missing? Fixes That Actually Work

You boot up Windows 11 and notice the taskbar icons are gone—no Start button, no search, no syste...

Fix Windows Update Error 0x80070005: Cannot Install Updates

You try to install Windows updates but get error 0x80070005 with the message "Cannot install ...

Docker Compose Secret vs Environment Variable: When to Use Each

If you're writing a docker-compose.yml and wondering whether to put a value in <...

Fix Cloudflare Wildcard Subdomain Redirect Loop