
Windows Security Troubleshooting Checklist
If Windows security features aren't working as expected—like Windows Defender won't start, update...
Software troubleshooting desk

If Windows security features aren't working as expected—like Windows Defender won't start, update...

If the Microsoft Store is missing, crashing, or won't open in Windows 10, you can reinstall it us...

You try to open a page in Chrome and see "Service Unavailable" or "This site can't be reached. Se...

You install a useful extension, but Chrome keeps turning it off. Sometimes it says the extension ...

When you see 'connection refused' combined with a certificate error in Windows Security, it usual...

If you see an error like “You’ve hit a rate limit” or “Too many requests” in Outlook, your accoun...