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

Fix OneDrive Sync Error 0x80070194 on Windows

When OneDrive throws error 0x80070194 during sync, it usually means the sync engine can't access ...

Fix Task Scheduler 404 Not Found Error When Creating Task

When you try to create a new task in Task Scheduler and get a "404 Not Found" error, it usually m...

Windows Security App Keeps Crashing: How to Fix It

If the Windows Security app crashes or won't open, you're not alone. This guide covers practical ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

How to Clear Windows Update Cache for Pending Installs

You see 'Pending install' in Windows Update but the download or install never finishes. Sometimes...