I got my tablet and I get these stupid ads that keep pop up while I'm on an app and really annoys may I scanned with avg and only threat I got was unsecure previliage mode but I cannot fixed that please help
Welcome to Android Central! Adware isn't necessarily malware, so antivirus apps won't necessarily detect it. You probably have to uninstall whatever app is associated with that adware, but it can be difficult to tell--sometimes, you just have to uninstall apps one by one until the ads go away.
You could try installing Lookout's Ad-Network Scanner & Detector, although I'm not sure how well it works on popup ads.
I also noticed that whenever I receive a ad I go onto my current running like on I pad u double tap the home bottom it seems to he using network service