Hello Ahmed,
We are sorry to hear this and request you to try the steps as mentioned in this article.
If the issue persist, perform repair of AVG Internet Security as mentioned in this article.
Keep us posted.
for the last few days, my AVG stopped working, by tapping the AVG icon that message appears well this is impressing we've run into a problem and need to restart your antivirus, with two options, exist or restart, I click restart and the program is not responding and so on.