Since VMware Fusion 13.6, there is an issue where each time you start an existing powered-off or suspended virtual machine, you are prompted whether the virtual machine was copied or moved, even though it isn't.
This is due to an issue with the virtual machine library files (files that tell which virtual machines are in the library). Each virtual machine has a unique identifier (called UUID). This UUID is stored in the virtual machine library and must be unique. VMware Fusion allows the use of both personal and shared virtual machines (shared with other users) and to this end, two inventory files are kept:
A personal file, located in ~/Library/Application Support/VMware Fusion/vmInventory ...