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

Fix FFmpeg Audio Out of Sync in MP4 Files

If you've encoded an MP4 with FFmpeg and noticed the audio drifts out of sync—voice lagging behin...

How to Fix Network Errors in Command Prompt on Windows 10

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...

Fix Outlook Not Opening After a Recent Update

After a Windows or Microsoft 365 update, Outlook may fail to open—no window appears, or it crashe...

Fix Microsoft Teams File Locked Not Opening

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...