If it's asking for a disk then it means an entire data tome is missing from the download.

I'd recommend restarting the downloader to see if you can pick that up.

diablo 3 an unexpected error occurred while updating required files-46

Hey guys , I installed Open beta Diablo 3 today and when i launch it it says initializing in start and then after sometime pops a message " An unexpected Error occurred while updating required files . so i tried closeing the launcher and opening in it again, now it just says : Updating blizzard launcher (0%) Anyone else have this problem?

or any idea how to fix it (i belive this patch have the patch number 17) Try with peer to peer disabled.

Please check this link for more information: the Beta, several startup issues were resolved by setting the Diablo III tools to run in Compatibility Mode.

At this time, Compatibility Mode for the retail tools is no longer needed.

You can also disable firewalls as this can cause network problems (remember to re-enable them again afterwards though).

Make sure multiple instances of aren't running (remove all the processes, try again).

If that doesn't help, delete the folder Battle.net/Agent (probably in your Application Data or App data directories, use search if you can't find it). This is helping people with some updating issues, don't know if it will fix yours. You can also disable firewalls as this can cause network problems (remember to re-enable them again afterwards though).

If that doesn't help, delete the folder Battle.net/Agent (probably in your Application Data or App data directories, use search if you can't find it). This is helping people with some updating issues, don't know if it will fix yours.

Though the downloader may show 100%, please allow some time for it to fully complete.