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

Fix Windows Update Error 0x80070002 with System File Checker

When Windows Update fails with error 0x80070002, it often points to missing or corrupted system f...

Fix Bluetooth Not Showing in Device Manager on Windows 11

If you open Device Manager on Windows 11 and Bluetooth is completely absent—no adapter listed und...

How to Allow Unrelated Histories in Git Merge

How to Show Hidden Icons on Taskbar in Windows 10

You may notice that some app icons in the system tray (notification area) are hidden behind an up...

Windows Update Service Missing from Services.msc: Fixes

If you open Services.msc and the Windows Update service (wuauserv) is not listed, automatic updat...

Fix Git 'refusing to merge unrelated histories' Error

When you try to merge two Git branches that don't share a common commit history, Git stops wi...