
Windows Defender Not Opening? Here's How to Fix It
You click the Windows Defender icon, but nothing happens—or you get an error saying the app didn'...
Software troubleshooting desk

You click the Windows Defender icon, but nothing happens—or you get an error saying the app didn'...

When you see "Windows Security cannot connect to the server" while trying to sign in or access a ...

After a Windows update, you might see an error that Windows Defender can't connect to the service...

When Outlook cannot connect to Exchange Server and you see an error like “Port already allocated”...

If you see ERR_SSL_PROTOCOL_ERROR in Chrome on your Android phone, the browser c...

When Microsoft Teams takes too long to load messages or shows an error instead of your chat histo...