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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

OneDrive Sync Blank Screen: Practical Troubleshooting Checklist

If OneDrive shows a blank screen instead of the sync status or settings, it's usually a rendering...

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist

If you see error 0x80073cf9 when installing or updating apps from the Microsoft Store, it usually...

Fixing pnpm Store Permission Errors in CI/CD Pipelines

You see pnpm store permission denied in your CI/CD logs. The pipeline fails when pnp...

Fix Windows Security Rate Limit Error 0x80070005

You open Windows Security and see an error: 0x80070005. Sometimes it says "Access denied" or "Rat...

Windows Update DNS Error: Practical Troubleshooting Checklist

When Windows Update fails with a DNS error, it usually means your PC can't resolve the domain nam...