Unable to update and scan mobile phone

Hello Winson,

I understand the inconvenience.
I request you to follow below mentioned steps to reset AVG App and check whether you are able to perform scan and update.
Open Device Menu -> Settings -> Apps/Application Management -> AVG Antivirus-> Tap on clear cache & Clear data -> Force stop the app once.
Restart your mobile and check the status with AVG.

Gd mrg 
my AVG antivirus  stand still and could not perform update and scan function
pls assist tqvm

Hello Winson,

I understand the inconvenience.
I request you to follow below mentioned steps to reset AVG App and check whether you are able to perform scan and update.
Open Device Menu -> Settings -> Apps/Application Management -> AVG Antivirus-> Tap on clear cache & Clear data -> Force stop the app once.
Restart your mobile and check the status with AVG.

Issue resolved (https://support.avg.com/answers?id=9060N000000PibxQAC).
Winson, In future, to keep everything together, please try to keep the whole conversation in one question/thread to speed up any resolution. 
AVG Guru