Unexpected error occurred while updating diablo 3
Grey login button - You need to use your email address as your account name.
Your Battle Tag is a nickname, not your account name.
With each attempt to do so gamers are presented with a few cryptic numbers. Luckily for everyone involved Blizzard have offered a helping hand in the form of information.
Most users encountering problems are seeing 37 and 12.
This can often be caused by closing the downloader early.
Though the downloader may show 100%, please allow some time for it to fully complete.
This can often times be caused by closing the downloader early.
You may be able to fix this by running the downloader and pointing it to the same saved location so that it may scan and download any missing files. Error 24000 - Once logged in you may run into this error when attempting to start a game.
Some players have found a workaround, but please be aware the steps they provide are not something we can currently support. I got this message to day: Failed to lunch a critical file. I've searched for threads related to this issue (as well as googled), but I could not find any solutions.To resolve this issue, log into and re-run the downloader.Error 108 - Similar to "An unexpected decryption error occurred", the error 108 can be caused by corrupted, damaged or incomplete installation files.