Do you also get the error 0x80073b01 while trying to open Windows defender? Don’t worry! You are not alone in this situation many users are facing this error.
Well, you might get to see some other errors like “not able to find Windows Defender in Control Panel”, “not able to start Windows Defender”. Despite this, you can probably see the message that Windows Defender is on and running and is protecting your computer and you will also get updates for it but you are still unable to start it.