Daktronics

Nucleus Server failed to load when launching software - Multiple software instances installed

Potential Symptoms

  • Get following error when launching Venus 1500:
    • Nucleus service not running. Nucleus service failed to load.
    • Daktronics Nucleus Server has stopped working.
    • DD2059185 1.jpg
  • In the Nucleus Log may see the following:
    • A child element named 'endpoint' with same key already exists at the same configuration scope.
    • Collection elements must be unique within the same configuration scope (e.g. the same application.config file).
    • Duplicate key.
  • In the Event Log may see the following:
    • .NET 4.0 Runtime Error. 
    • Application: Nucleus Server.exe, Framework Version: v4.0.30319.
      Description: The process was terminated due to an unhandled exception.
  • Cannot open content studio, receive error message "An problem caused the program to stop working correctly, windows will close the program and notify you if a solution is available.

Environment

  • Venus 1500 version 4

Cause

  • Two different versions of Venus 1500 v4 are installed, or the .exe.config files are corrupted.
    doubleinstancesinstal.png

Resolution

  1. Delete all .exe.config files from to following locations:
    • 32 Bit - C:/Program Files/Daktronics
    • 64 Bit - C:/Program Files (x86)/Daktronics
  2. Locate the following files in each folder and delete them.
    • Nucleus Server Folder - nucleus.exe.config
    • Venus 1500 v4 Folder - venus1500.exe.config
    • Venus 1500 v4 Folder - mediakit.exe.congfig
    • Content Studio Folder - contentstudio.exe.config
  3. Go to Add/Remove Programs or Programs and Features from Control Panel.
    • If there are two instances of Venus 1500 - Uninstall the oldest Venus 1500 Version then run a repair on the latest version.
      • Windows 7 - The version of the install will appear at the bottom of the Programs and Features window.
      • Windows XP - The version of the install will appear if you click on the 'Click Here for Product information'.
    • If there is only one instance of Venus 1500 - Run a repair on the install.
  4. Launch Venus 1500 v4.

Note: Follow: How do I update or download Venus 1500 V4 software?, DD1993540.

KB ID: DD2059185

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