Checklists for software errors, setup, and tool workflows.

Create a New Firefox Profile When Your Old One Goes Missing

If Firefox fails to start or you see a message that your profile is missing, it's often due to a ...

Fix Windows Terminal 504 Timeout by Clearing DNS Cache

If you're getting a 504 timeout error in Windows Terminal when trying to connect to a remote host...

How to Fix Windows Security Rate Limit Error

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...

Fix Windows Terminal Installation Failed Error

You click install for Windows Terminal and get an error. Maybe it stalls at 0%, rolls back, or sa...

Fix Windows Security DNS Errors After a Windows Update

After a recent Windows update, you may see a DNS error inside Windows Security (formerly Windows ...

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" ...