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

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 Stop Windows Explorer from Restarting

If Windows Explorer (explorer.exe) keeps restarting—your taskbar disappears and reappears, or you...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix Windows Update Error 0x80070005 (Service Not Starting)

When Windows Update fails with error 0x80070005, the underlying message often points to a service...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

Windows 11 Update Stuck at 0%: Permission Denied Fix

If your Windows 11 update is stuck at 0% with a "permission denied" message, the installe...