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...

Fix Windows 11 Update Cache Clear Permission Denied

When you try to clear the Windows Update cache on Windows 11, you might see a 'permission denied'...

Remote Desktop Connection Timeout: A Troubleshooting Checklist

You're trying to connect to a remote desktop, but the connection times out before you can log in....

Fix Windows Security Authentication Error 0x80070035

How to Fix Microsoft Store Error 0x80246007

Error 0x80246007 in the Microsoft Store usually appears when you try to download or update an app...

How to Fix Cloudflare DNS Not Resolving on Mac

If you've set Cloudflare DNS (1.1.1.1) on your Mac but websites still fail to load or resolve slo...