What is firefox setup 18.104.22.168.exe doing on my computer?
firefox setup 22.214.171.124.exe is a 7zS.sfx
belonging to Firefox
Non-system processes like firefox setup 126.96.36.199.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.