Checklists for software errors, setup, and tool workflows.

Fix Windows Security High CPU Usage During Malware Scans

You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...

Python Import Error: Module Not Found Despite Being Installed

You run your Python script and get ModuleNotFoundError for a package you’re sure you...

Fix Windows Update Pending Restart Not Showing Notification

You've installed Windows updates, but the usual restart notification in the system tray or Action...

Fix Windows Security Error 404 After Update

After a recent Windows update, you might see an error 404 when opening Windows Security. The app ...

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" ...

How to Set Up Windows Security Proxy Settings

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...