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

Fix OneDrive Sync Blocked by Firewall or Network Error

OneDrive suddenly stops syncing. You see error messages like "Sync is blocked" or "Network error ...

Fix FFmpeg Audio Out of Sync in VLC Playback

You encoded a video with FFmpeg, but when you play it in VLC, the audio drifts out of sync. This ...

How to Fix Rate Limit Errors in Windows Security App

You open Windows Security to run a scan or check protection status, and get a rate limit error. T...

Fix Microsoft Store 404 Error: Practical Steps That Work

When you open Microsoft Store and see a 404 Not Found error, it usually means the store can't loa...

Fix 'Windows Update Port Already Allocated Permission Denied'

If you see "port already allocated permission denied" when running Windows Update, it usually mea...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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