I have big problem with my Vegas Pro 19. When i update program to new version (build 550) its stop working.

When i want turn on vegas its show the window activate. When i click activate button i have "please wait..." a then this info show.... i try everything....reinstal vegas, turn off firewall, install previous version and nothing help.....

A cant work on vegas now....my work is video editing so its very big problem for me....