Diablo® III

Failed to run required program (Agent)

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You have an EU Battle.net account and only play on the EU region. Please post your problem in the European Technical Support forum so they can assist.

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Just thought I'd post this in case it helps anyone.

T tried all the solutions here but nothing worked, I then started messing with IE, updating it to latest, changing the connection setting (no LAN) and it just started working, so something in IE/flash was blocking it previously.
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Take your IE out of Work offline mode:
  • Open Internet Explorer, Press Alt + F and uncheck Work offline.

While at it (Still on IE), click on Tools > Internet options > Connections tab > and select Never dial a connection.

After changing that option to never dial a connection, click on LAN Settings and uncheck every single check box there.

this work for me

i set up a dial up connection and i got above error.

hope that help
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nothing mentioned here works and I'm getting quite pi*sed after 5 hours of trying to fix the darn game without any results

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I tryed everything , but finally finded Barthus method . Now works ! Thanks for your posts !
Edited by Bogdanfrom7c#2563 on 1/21/2013 7:22 AM PST
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It worked.. thanks.. its been a 3 days problem and solved..
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Did the thing with IE and it worked. I don't even use Internet Explorer, why on Earth does it have anything to do with the Diablo 3 installer/update agent?
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