SignalExpress Failure to Load Project: The Following Components Were Not Found

Updated Apr 2, 2019

Reported In


  • SignalExpress
  • LabVIEW Sound and Vibration Toolkit


  • NI-DAQmx

Issue Details

When I try to open up a project in SignalExpress, I receive the following error: "Failure to load project. The following components were not found: DAQ Assistant. Please install or repair these components." Other components that may be listed here with or without DAQ Assistant include: 
  • OA Express Datatypes
  • Sound and Vibration Assistant


This error typically occurs if SignalExpress is installed, but the software supporting these components is either not installed or corrupted. To fix the error, download a version of DAQmx that is compatible with your version of SignalExpress.

If DAQ Assistant is listed as missing: If OA Express Datatypes or the Sound and Vibration Assistant is listed as missing:


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