schedul2.exe is the scheduler process for Acronis True Image. This process should not be removed to ensure that your data is protected by the Acronis True Image application.
Non-system processes like schedul2.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues