The update often hangs because a background "Agent" process is already running and blocking the new one. Open the (Ctrl + Shift + Esc).
The following steps cover everything from quick restarts to deep-clearing your system files to get your launcher back in action. 1. Force Close All Battle.net Processes battle net download stuck on updating blizzard agent
Relaunch Battle.net as an by right-clicking the desktop shortcut. 2. Delete the Battle.net Tools & Cache Folders The update often hangs because a background "Agent"