We use a number of USB-to-CAN adapters, and have numberous LabVIEW programs that work with V3. We are trying to migrate these to V4. It looks like the various subVIs are different between V3 and V4 and are not drop in replacements. When we install the V4 driver and try to open the LabVIEW programs written in V3 they can’t find the dll. It looks like the C API didn’t change between V3 and V4. In looking at the sub-VIs in V3 it looks like they reference vcilva.dll, where those for V4 seem to reference vcilva2.dll. Is there a way to re-name the .dlls, or the links in the V3 LabVIEW code to work with V4 without replacing all of the V3 sub-VIs with V4?