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Error "Failed to run a required program (agent)" while running Diablo III setup

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  #1  
Old 11-06-2012
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Join Date: Sep 2010
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Error "Failed to run a required program (agent)" while running Diablo III setup
  

Hello friends recently I have downloaded Diablo III game from the internet and when I starting installing the game at that time it looks for the updates and then gives me error saying "Failed to run a required program (agent)". I don’t know what is causing this problem.

My computer specifications are Asus motherboard, ATI Radeon HD 5670 graphic card, Intel Core i5 processor, 4 GB RAM. I have tried to solve this problem by checking all the setting in the Firewall, disabled all unnecessary services from the startup except Microsoft, but still the same error.

I have also downloaded the latest version of framework in my computer and then installed it. Still no effect on the error. Please help me out to solve this problem. In my computer graphic card drivers and direct X is also up to date. Thank you in advance.

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  #2  
Old 11-06-2012
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Join Date: Aug 2010
Posts: 83
Re: Error "Failed to run a required program (agent)" while running Diablo III setup

Well, just try out the following steps, it should work. Open my computer, go to the C drive and open programs data folder. Scroll to the Battle.net folder and delete it. Also make sure you deleted the entire temporary files from your computer. Now run the Diablo III setup. Now you have to check whether you are getting same problem.

If still you are facing the same problem, than run the setup and open taskmanager from the task bar. Find process named "Agent.exe". If it is there than it means that your internet explorer is in offline mode which is causing this problem. You should disable the offline mode in the internet explorer and now run the setup again.
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  #3  
Old 11-06-2012
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Join Date: Jul 2010
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Re: Error "Failed to run a required program (agent)" while running Diablo III setup

Yes you need to turn off offline mode in internet explorer. If you don’t know about how to turn off the work offline mode in the internet explorer then I will help you with it. Launch internet explorer, click on Tools button and deselect the "work offline" option.

In many cases after turning off the work offline option also we get similar problem and that is why we need to do following changes in the internet options.
  • Open control panel and click on internet options.
  • Click on the tab called connections.
  • Choose “Never dial a connection.” option.
  • Now click on the LAN Settings button.
  • Now uncheck all the option form there.
  • Click on OK button. After doing that you have to check whether same problem is occurring or not?
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  #4  
Old 11-06-2012
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Join Date: Aug 2010
Posts: 74
Re: Error "Failed to run a required program (agent)" while running Diablo III setup

You should create new user account in your computer with Admin privileges and try to install the game. If you have already tried this and dint worked than run the setup, open task manager without quitting the setup, locate agent.exe and kill the process. Also did you tried installing Diablo III in compatibility mode ? If not, try it out with Windows Xp SP3 compatibility mode and check whether it helps you to solve the problem.
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  #5  
Old 11-06-2012
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Join Date: Sep 2010
Posts: 17
Re: Error "Failed to run a required program (agent)" while running Diablo III setup

Thank you all for your suggestions and attempt to help me out. But i have tried everything mentioned above, and noone of them worked for me yet. Now please tell me what should I do to solve this issue?
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  #6  
Old 12-06-2012
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Join Date: Jul 2010
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Re: Error "Failed to run a required program (agent)" while running Diablo III setup

Well, just try out this. Go to start menu, type regedit and press enter. This will open registry editor. In registry, go to the following location:

HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > NT. After expanding the NT you have to go to the CurrentVersion and then open Image File Execution and then check whether there is Agent folder exist or not? if Agent folder is there then delete it and then reboot your computer. After restarting your computer you should try to install game again and then see what the situation is.
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