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

Enable Wildcard Subdomain in Cloudflare: Step-by-Step

If you need all subdomains (like *.example.com) to point to the same server, a wildc...

How to Limit Chrome Tab Memory Usage

If your computer slows down when you have many Chrome tabs open, you're not alone. Chrome is ...

Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears when the update process can't find a required...

Rebuild Windows Search Index Without Losing Data

If Windows Search stops returning results or behaves slowly, rebuilding the index often fixes it....

Chrome Memory Not Decreasing After Closing Tabs – Fixes

You close a dozen tabs, but Chrome still eats 2 GB of RAM. This is normal up to a point—Chrome ca...

Fix Nginx Upstream Connection Refused in Proxy Pass