Diablo 3 launcher stuck at updating tools
If your region is currently patching or undergoing maintenance you may not be able to update.
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Players can also install games directly through the app and keep them up-to-date automatically, as well as stay on top of the latest Blizzard news. Once Patch 2.0.1 goes live, the upgrade process will begin automatically the next time you start up the current launcher for Diablo III—or click here to download the app now and get ahead of the game.
Running as an admin provides extra privileges for the app you are running which sometimes brings unwanted security questions but the client by Blizzard is not malicious software so there is nothing to worry about.
Posted in Diablo 3 News With Diablo III: Reaper of Souls barely a few weeks away from hitting gaming and retail stores, Blizzard Entertainment announces the Diablo III game launcher will be no more.