Checklists for software errors, setup, and tool workflows.

Fix OneDrive Connection Refused Error 0x8004de40

You see OneDrive error 0x8004de40 with the message "Connection refused." This often happens when ...

Fix Remote Desktop Authentication Failed Due to RDP File Configuration

When you double-click an RDP file and see "Authentication failed" or "Your credentials did not wo...

Fix Windows 10 Activation Access Denied Permission Issue

You try to activate Windows 10 but see 'Access Denied' or 'Permission Denied.' This usually means...

Fix Windows 10 Update Stuck at 100%

You've waited through a Windows 10 update, only to see it stuck at 100% for an hour (or more). Th...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Remote Desktop Authentication Errors

You try to connect via Remote Desktop and see an error like "An authentication error has occurred...