Checklists for software errors, setup, and tool workflows.

How to Unlock a File Locked by Windows Security

You try to open or delete a file, and Windows says it's locked by Windows Security. This usually ...

How to Configure Windows Defender on macOS

If you're trying to configure Windows Defender on your Mac, you might be running into confusion b...

Windows Activation Service Unavailable on New Computer

You just set up a new computer, but when you try to activate Windows, you see an error that the a...

How to Fix Windows Defender Error 0x800704ec

When you see error 0x800704ec in Windows Defender (now called Microsoft Defender Antivirus), it u...

Fix Command Prompt Can't Connect to Internet in Windows 10

You open Command Prompt, type ping google.com or curl, and get an error...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...