Help please, I'm getting msg error code 919 ?

[Unregistered]

Hi ive got a Acer tablet and when I'm trying update the apps on it I keep getting a msg error code 919 can anyone help pls

 

[STARGATE]

I don't have an acer device or such problem. But sometimes an app won't update because there isn't enough memory for it or because an Antivirus app is blocking it.

Sent From Another Galaxy