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

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...

How to Fix Chrome Using 100% Memory on Windows and Mac

You open Chrome, and your computer slows to a crawl. Task Manager shows Chrome using 100% memory....

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix Docker Volume Permission Denied for Nginx

When running Nginx in a Docker container with a bind-mounted volume for static files, you might s...

Fix Windows 10 Shared Folder Access Denied Error

You set up a shared folder on Windows 10, but when you try to access it from another computer, yo...