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

Fixing Nginx Permission Denied for Root Directory

You've set up a new Nginx server block, pointed the root directive to a directory, and when y...

Fix Windows 11 Wi-Fi No Internet by Disabling IPv6

If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix Windows Search Indexing Error 0x80040c41

If you see error 0x80040c41 when searching in Windows, the indexing service is likely stuck due t...

Chrome Startup Crash on Windows 11: Fixes That Work

You click the Chrome icon on your Windows 11 PC, the window flickers, and then nothing—or you get...

Fix net::ERR_CERT_AUTHORITY_INVALID on Chrome in Linux Terminal

When you see net::ERR_CERT_AUTHORITY_INVALID in Chrome on Linux, it usually means th...