If the file is truly missing, the software cannot communicate with scanners or cameras.
If repairing the redistributables doesn't work, a clean install of ArtCAM is necessary: Completely uninstall ArtCAM Pro 8.1. artcam pro 81 acqdll new
regsvr32 "C:\Program Files\ArtCAM Pro 8.1\acqdll.dll" If the file is truly missing, the software