If you receive the "Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item." error while attempting to launch a game from the Epic Games Launcher, you can try the following troubleshooting steps:
- Completely close the Epic Games Launcher, and then reopen it as an administrator: How do I run the Epic Games Launcher as an Administrator?
- Clear the Epic Games Launcher cache: How do I clear the Launcher cache for Fortnite on PC?
- Follow the steps in this Windows support article: "Windows cannot access the specified device, path, or file" error when you try to install, update or start a program or file