Labview Runtime Engine Version 8.6 =link= -

Yes. National Instruments allows developers to include the 8.6 runtime installer as a prerequisite in their own installers. Check the NI License Agreement for redistribution terms.

Released in 2008 as part of the LabVIEW 8.6 development environment, the LabVIEW Run-Time Engine (RTE) version 8.6 is the silent workhorse that allows Virtual Instruments (VIs) to execute on target machines without the full development environment installed. labview runtime engine version 8.6

This error means the RTE is missing or corrupted. Reinstall the 8.6 version specifically. that should cover it

Your modern workstation has LabVIEW 2023 installed. Surely, that should cover it, right? labview runtime engine version 8.6