Says ‘A file access error has occurred. Please check your running processes.’ I can run Fallout 4 on ultra.
Which version of the editor are you trying to install?
Try the troubleshooting steps in this section of the troubleshooting guide.
If nothing works, follow the steps here to generate your Debug Logs. Post them here, along with your Dxdiag/system specs.
We haven’t heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you’re still experiencing this issue, please try the suggestion that I mentioned above then post back here with the requested info.
If you need anything else, feel free to ask.