Checklists for software errors, setup, and tool workflows.

FFmpeg Video and Audio Out of Sync: Practical Fixes

You encoded a video with FFmpeg and now the audio drifts or is completely out of sync. This is a ...

Fix OneDrive Sync 404 Error After Windows Update

After a Windows update, you might see a 404 error when trying to sync files in OneDrive. This usu...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix OneDrive DNS Error 0x8004de4a

You see error 0x8004de4a when trying to sign in or sync files in OneDrive. This usually means a n...

Fix BitLocker Error 504 When Unlocking a Drive

When you try to unlock a BitLocker-encrypted drive and see error 504, the drive remains locked an...

Fixing Microsoft Teams Proxy Error Code Causes

When Microsoft Teams shows a proxy error, it usually means the app can't reach the internet prope...