when I am connected to avast secureline vpn, there is no more internet on the line I cant use vpn anymore
No problem with Internet here using Secureline.
What OS are you running?
What version of Secureline?
Did you try different Server locations?
win 10 pro
secureline 5.2.438
I think avast blocked to turkey
Seems so. (Missing information in original post)
https://forum.avast.com/index.php?topic=223570.0
Yes that bit of info would have helped. 