Update the application to the latest version.Re-Install the application that requires amtlib - Copy.dll.Possible fixes for amtlib - Copy.dll errors. Re-installing the application may fix this problem. This application has failed to start because amtlib - Copy.dll was not found. Learn how to re-install amtlib - Copy.dll. If the file is missing you may receive an error and the application may not function properly. When an application requires amtlib - Copy.dll, Windows will check the application and system folders for this.