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Permission Denied: Listen Failed

Discussion in 'Bug Reports & Installation Support' started by Medriev, Jun 17, 2017.

  1. Medriev

    Medriev New Member

    Joined:
    Dec 17, 2012
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    All working fine last weekend. Go to start d20 Pro tonight and get Permission Denied: Listen Failed with three options for the problem:
    1) The GM is already running (It's not)
    2) Another app is using the port (no idea but it's never happened before)
    3) Server is being blocked by firewall or anti-virus (anti-virus firewall on the machine checked and allowing access)

    This is not a problem I've encountered before and whilst feasibly it could be a problem with my router that seems unlikely as nothing has changed since last weekend. I've also tried a full uninstall and reinstall (twice) but nothing has changed.

    Any suggestions?

    Thanks
     
  2. Krilion_GD

    Krilion_GD Community Manager
    Staff Member

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    Check your firewall settings.. Microsoft, did an update mid week.. and changes a lot of firewall settings with no notification or prompt at all.. We had to completely reset our in house LAN when things 'suddenly' just stopped working.
     

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