Internal Error: Failed to Load Analysis Module in Teststand

Updated Dec 18, 2023

Reported In


  • LabVIEW 2016 Full
  • TestStand 2016
  • TestStand 2019

Issue Details

My Sequence Analyzer throws up one of the following internal errors:

Failed to Load Analysis Module. Could not find file 'NI AnalysisModules.dll'.


Failed to Load Analysis Module. Could not find file 'LabVIEWChecksumModule.dll'.

Please refer to the image attached:


You can solve the error by trying the following:
  • In NI TestStand, go to Configure, select Search Directories. In the new window, look for TestStand Components Directory and ensure Search Subdirectories is checked, as shown:
  • Fixing the broken VIs prevents the internal error from occurring any further.
  • If you are using NI TestStand 2016, you can run NI update service and install the f2 patch. This issue is fixed in NI TestStand 2016 f2 patch.

Additional Information

This is a known issue in NI TestStand 2016 environment. Refer to the list of known issues by date in NI TestStand 2016 .