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

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 ...

Fix Windows Activation Error 0x803f7001 (Rate Limit)

You see error 0x803f7001 when trying to activate Windows. The message mentions a “rate limit.” Th...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

IMAP Outlook Configuration Checklist: Step-by-Step Guide

If you're setting up an IMAP account in Outlook and running into connection errors, sync failures...

Fix Chrome Crashing on Windows 11 with Error Code

You're browsing in Chrome on Windows 11 when the browser suddenly closes or freezes, often showin...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...