WARNING: Unattached Instances are a normal part of how Fallout 4 operates. Until I've determined how to distinguish between important unattached instances (still in active use) and the other kind (left behind by mods that were uninstalled), I recommend that you do NOT use the Remove Unattached Instances action on Fallout 4 savefiles.   NOTE: If you're having a problem with a savefile, and you want my help, you'll need to post the savefile here in the support thread so that I can run tests on i