
Windows Defender Cannot Connect: Troubleshooting Checklist
You open Windows Security and see a message like "Windows Defender cannot connect" or "Check your...

You open Windows Security and see a message like "Windows Defender cannot connect" or "Check your...

You open Chrome and get 'Unable to connect to the internet' or a similar network error, but other...

You see a OneDrive sync update error after a Windows update or app upgrade. The icon shows a warn...

You open the Microsoft Store and see an SSL certificate error—something like "A problem with your...

If you see error 0x80070490 when trying to update Windows Defender on Windows 11, it usually mean...

If Windows Search doesn't open when you click the taskbar icon or press the Windows key and start...