In update to Moodle 2.4.1+ (Build: 20130131):
In a quiz configured with limit of attempts (1) does not show the confirmation dialog (alert window) when the user starts the quiz, nor when you press "Submit all and finish". In fact, "Confirmation Dialog" is displayed but not in pop-up window, losing focus, making it impossible press buttons.
General developer forum
Thanks Tim for your quick response.
The cause of my problem was the program tar of Solaris 10, which was unable to work with pathnames of more than 100 characters, for example:
was wrongly extracted as:
The solution: use gtar