autorun.exe is a facility which allows a setup program to be initiated when a CD or DVD is entered into the CD/DVD drive. The author for this process can be many.
Non-system processes like autorun.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.
Multiple copies of a process in your task manager may indicate the presence of a virus or Trojan. Make sure you always use an updated antivirus software and perform a full scan to identify any such cases.
autorun.exe is known to have 1 other instances:
unknown spyware autorun.exe is a process which belongs to the <Enter Name Here>. "This program is a ...</enter> read more »