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  • Recently purchased a used business Dell computer from Dell (optiplex 745). Computer will not allow unchecking op proxy server. Tried command prompt "netsh winhttp reset proxy", this did not help the situation. I believe this computer was used by a company the had several computer linked to a proxy server. We are a small company and this is the only computer at our business. When attempting to log on to the internet get the message proxy server not responding. Can you help us fix this problem? 
    Thursday, July 17, 2014 12:51 PM


  • Hi,

    I'm a bit confused with your description, since this computer was bought recently fro Dell. What's the User Account did you use? The old or new create account?

    In my opinion, it would be betterto contact Dell to let them rebuild the system for you.

    In addition, this should be policy problem, you can try to delete all the contents of the registry below:

    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy\GroupMembership

    delete all the key, but leave the Default and Count.

    If there was any updates, please feel free let us know.

    Roger Lu
    TechNet Community Support

    Sunday, July 20, 2014 12:39 AM