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

Fix Missing Taskbar Icons After Uninstalling a Program

You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...

Chrome Sync Not Working on School Chromebook: Fixes

If your Chrome browser isn't syncing bookmarks, passwords, or history on a school Chromebook,...

How to Recover Stashed Changes in Git Detached HEAD

If you've stashed changes while in a detached HEAD state in Git, you might worry they're ...

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

How to Fix Cloudflare Error 526: Invalid Origin Certificate

If you see Error 526: Invalid SSL Certificate in Cloudflare, it means Cloudflare...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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