If you see this popup when launching an app, verify that you installed the 8.5.1 version specifically. Version 8.5.0 or 8.6 will not work.
: You must install the RTE version that exactly matches the LabVIEW version used to create the application (e.g., a LabVIEW 8.5 application requires the 8.5 RTE). System Requirements & Compatibility
The Runtime Engine acts as a virtual machine for LabVIEW code. It translates compiled graphical code into machine instructions that your operating system can execute. Why You Need This Specific Version
If you see this popup when launching an app, verify that you installed the 8.5.1 version specifically. Version 8.5.0 or 8.6 will not work.
: You must install the RTE version that exactly matches the LabVIEW version used to create the application (e.g., a LabVIEW 8.5 application requires the 8.5 RTE). System Requirements & Compatibility
The Runtime Engine acts as a virtual machine for LabVIEW code. It translates compiled graphical code into machine instructions that your operating system can execute. Why You Need This Specific Version