
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'...

After a recent Windows update, you might see "Access Denied" when trying to connect via Remote De...

After setting up Windows on a Mac using Boot Camp, you might see a message that Windows is not ge...

You try to update Windows Defender and see error 0x80070643. This usually means a Windows Update ...

When Microsoft Store apps refuse to update, you might see error codes, endless loading, or simply...

You open OneDrive and see "Sync pending" or "Changes not syncing" with no error code. Often the c...