I try to change the screenshots of my application due to an update but apple gives me error:
A network timeout error occurred. Please try again later.
Any help?
Please switch the browser to other then mozilla ... i got the same error on mozilla ... i tried google chrome and setup new app and its good and done ... mozilla have some clashes in the new updates. .
Problem Solved .. !!
While switching to a different browser is a work around, it's not a fix. Here is the fix:
Open Safari Preferences...
Click the Privacy Tab
Next to #### websites stored cookies.... hit Details...
In the search box type Apple.
Click apple.com in the list and hit Remove.
Bob will then be your uncle.
It is definitely a browser issue. I upgraded to Firefox 7 yesterday and that is when I stopped being able to upload screenshots. I switched to Safari and had no issue uploading the images.
Definitely a Firefox 7 issue: I've been struggling with this since yesterday. Switching to Safari did the trick.
来源：https://stackoverflow.com/questions/7096496/cant-upload-screenshots-for-my-application-in-itunes-connect