Googleads.g.doubleclick.net’s Server Ip Address Could Not Be Found How To Fix This Please

started after flash got installed for wgt golf

 

You make no attempt to give any information about browsers used, security software scan results, operating system, software ad blockers used, potential fixes you have tried, when does the issue occurs etc etc.
This is all information which may help us to avoid dusting off the crystal ball, and help you receive a more accurate answer.

Are you posting your question here because you suspect Malware?

Have a read here!