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Hmm, We're having trouble finding that site!

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Locking this thread, please continue here: [/questions/1449374]
I'm getting this Server Not Found page error very often with a message that says; "Hmm, We're having trouble finding that site" on a black screen with a doubleclick.net address in the address bar and some options to check my internet connection and firewalls, etc.

<i>Locking this thread, please continue here: [[/questions/1449374]]</i><br> I'm getting this Server Not Found page error very often with a message that says; "Hmm, We're having trouble finding that site" on a black screen with a doubleclick.net address in the address bar and some options to check my internet connection and firewalls, etc.
Attached screenshots

Modified by cor-el