Jiri, From the screenshots you're using an old version of AVG 2016 which isn't being updated anymore. You need to update to AVG 2018.
AVG Guru
I did not know. I updated. Thank you!
Thank you for the confirmation.
Glad to know that your issue has been resolved.
Have a nice day!!!
@Karthikeyan
Yes (after upgrade to AVG Internet Security 2018)
Jiri, From the screenshots you're using an old version of AVG 2016 which isn't being updated anymore. You need to update to AVG 2018.
AVG Guru
I did not know. I updated. Thank you!