Fortunately, there are several proven ways to bypass this error and get your launcher back up and running. 1. Fix the Drive Letter in Disk Management
Type the following command, replacing X: with the letter mentioned in your error: subst X: C:\ epic games launcher download invalid drive
This creates a virtual drive "X" that leads to your C: drive. Fortunately, there are several proven ways to bypass
Run the installer. It should now see the "missing" drive and allow you to proceed or uninstall the old version. To remove the virtual drive later, type: subst X: /D . 3. Clear Corrupted Registry Keys epic games launcher download invalid drive