isuspm.exe is a process that belongs to InstallShield from Macrovision. The process automatically checks for the latest updates online. Isuspm is associated with the InstallShield Update Service Scheduler, which checks for updates for InstallShield. InstallShield is used by software developers to permit programs to be installed in the Windows operating system. The isuspm.exe process could be stopped from running in the background. Though by removing this process you will not get informed about the latest updates for InstallShield.