" When I open Microsoft Security Essentials and click on Update I get the following message: "Virus and spyware definitions failed, and an error code : 0x80070424 message.
I'm unable to get Automatic Updates setting to turn on.
I’m going to start off with the easier tips before going into more technical solutions.
Go ahead and install all the latest Windows updates and the latest Office updates.
On subsequent launches, the message doesn't appear.