The file backplot.dll is a ToolpathViewer Dynamic Link Library from Northwood Designs, Inc. This file is used in CAD (computer aided design) and CAM (computer aided manufacturing) to see more clearly what each piece of code is doing at any given point. This particular file can be found in multiple CAD/CAM programs.
An error with the backplot dynamic link library file will disable functions on your CAD/CAM applications. Fixing this file may be a matter of cleaning the registry. The registry is a database that tracks all the files installed on your system. Windows uses the registry to find and run programs. Most dll file errors are related to the registry.
Cleaning the registry is the act of checking every entry in the registry database for accuracy and fixing every error found. ZookaWare PC Cleaner will do this task for you. ZookaWare PC Cleaner hunts down every issue in your registry and repairs them, guaranteed. Try a free ZookaWare PC Cleaner scan to see if your registry needs to be cleaned.