Avast fails to start affter reboot PC!

Avast Free Antivirus / Premium Security
1

https://s7.postimg.cc/poigkm4fv/Avast.png

Install OK, Run OK
But Affter reboot PC will can’t start!
Try install again OK but But Affter reboot PC will can’t start!

Windows 10.0.16299 Pro N Build 16299 x64
Try Avast Free and Premier 18.3.2333 Build 18.3.3860

2

As in most cases the fastest way to repair is to go back to an actual image…

3

I updated to the newest version but the license renewal problem remains. Also i cannot update the virus database, i suppose that is connected to the license renewal.

4

Try OpenDNS or GoogleDNS.

5

I really have no idea what that is and how to use it. How can it solve the problem?

6

See if this helps you: https://developers.google.com/speed/public-dns/docs/using