Factual error: When they download the requested file from the computer you can read ie."600 Dantensatze in Databank." Correct is: "600 Datensätze in der Datenbank." At the same time when the bad guys try to identify Clooney you can read on the screen the German "Gerwicht" for weight. Correct is: Gewicht.
Factual error: In the end when our two heroes try to deactivate the atomic bomb, they manage to take away a little piece of explosive, so that the bomb will not do a nuclear explosion, only a conventional one. The problem with plutonium-bombs is that plutonium itself is extremely toxic when pulverised and dissolved into air. And an explosion would surely pulverise the bomb and all people (especially our two heroes being only some metres away) in the city would eventually die because of intoxication...
Factual error: When the truck carrying the nukes is being tracked by a spy satellite we see a view of the vehicle that is meant to be from high up in the atmosphere. After the truck has left the convoy and is moving along a road in a valley, the perspective of the passing countryside would suggest that the shot is taken from a low flying helicopter, certainly not a satellite.
Factual error: The German text on the screen in Vienna has many small spelling errors. 1.) Under the sign of printing you read the English "Quantity" and the German "Betrag" (Amount) in the same invoice 2.) Under the search bar you first read the wrong word "Schen", one minute later the right "Suchen" (Searching)