Any update search should be done via the Blizzard Launcher menu.
In the months ahead, the game launchers for World of Warcraft, Star Craft II, and Diablo III will be automatically updated to our new desktop app for Battle.net, designed to improve the launcher experience and streamline your ability to play Blizzard games—but if you’re interested in upgrading now, you can!
For whatever reason, with Internet Explorer set to work offline, the Diablo 3 installer was failing to do anything other than time out.
I disabled "work offline" by unchecking "Work Offline" in the file menu (available by pressing the First of all, if your behind a router you should make sure that the ports are set as recommended by Blizzard.
I'm aware that closing the downloader and then reloading it to resume where it left off and finish whatever last second stuff it has to do is an option, but since its 'stuck' I'm worried something might go wrong. Check out the button on the lower right, if the download is over it should read "Finished" or something like [email protected] Robot thank you that worked! apparently some kind of error had fooled it into thinking I was done and thats why it was stuck. It is minimally phased by crashes, disconnections, partially downloaded files being deleted or much else.
Whenever it starts up again it scans through all chunks and if any are wrong/missing it redownloads. It will either think it needs updating and never find anything or it will think it is done updating and still need more.
So I decided to pre-download Diablo 3 for the release date.
My downloader is at 100% and has been for some time. I tried running the now-complete that was downloaded and it's telling me I cannot due to it being in use by another program (likely the downloader). The Blizzard downloader is a P2P client, even if it has finished downloading it stays open to let others download from you. The downloader is based on Bit Torrent, an extremely robust protocol for downloading.
We’ve also begun working to improve our cheat-detection and hack-prevention capabilities.
I did some additional googling and found a post on a blue tracker which simply advises to perform all of the steps I have already run through.
For whatever reason, Internet Explorer (which I never use) was set to "work offline".
This means it won’t completely eliminate the update bugs.
Many users wish they had other options at their disposal, such as manually installing the latest patches.