Fellowship: Fix “A Product Installation Has Been Detected” Launch Error
Getting the “A product installation has been detected” error and nothing else shows up? Try ArcRepair.exe, and if you’re on Steam, delete the Arc folder to get in.

1 fixes · 0 how-to answers · Steam discussions
Getting the “A product installation has been detected” error and nothing else shows up? Try ArcRepair.exe, and if you’re on Steam, delete the Arc folder to get in.