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

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

npm package.json Not Found After npm init

You run npm init, answer the prompts, and then try to install a package or run a scr...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

Chrome Extensions Not Loading? Try Disabling Antivirus Temporarily

You open Chrome, head to your extensions, and nothing loads—or newly installed ones disappear. On...

Fixing NGINX 502 Bad Gateway in Docker Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...

Fix Windows Update Error 0x80070002 Due to Low Disk Space

Windows Update error 0x80070002 often appears when your system drive lacks enough free space for ...