Execution of External Command, Script or Application Failed When Installing Software on cRIO

Updated Apr 9, 2019

Reported In


  • CompactRIO Controller

Issue Details

Installing software on (a new) CompactRIO fails with the following message:

Execution of external command, script or application failed.



  • Verify that firewall has been turned off or at least NI Software is supported.
  • Reformat the device.
  • Power cycle the device.
  • Change the method you are using to connect to the cRIO (switch to Ethernet if connected through the USB B port) and format he cRIO with the new connection type. 
  • Turn off any Antivirus software.