Download/Install Fixes here

Technical Support
Install freezes and error messages:

Go into the task manager and end the agent.exe process
open properties for the diablo setup.exe
Check compatability mode and set for windows service pack 3 and set to run in admin mode
This should solve the errors and freezing, sorry i dont know how to fix for vista

Slow Downloads:

Make sure all firmware is updated for routers and windows system files are updated (Windows Update)
Make sure blizzard diablo ports are open...listed here:
http://us.battle.net/support/en/article/firewall-configuration-for-blizzard-games
Afterwards go to control panel -> Network Sharing Center -> Internet Options -> Connections -> Lan Settings (varies by operating system for location). Under the Lan settings uncheck the auto detect proxy.

These were the steps I took and I went from installer locks up and a 20k/s download to no issues and 3m/s downloads. Hope this helps the rest of you.

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