What do you mean by "started and suspended 3 times"? Did you shut down the virtual machine at all? Does startup mean Resume (after Suspend) or Start (after Shut Down)?
In Activity Monitor, select each prl_vm_app and click Inspect, then click "Open Files and Ports". Do they all use the same .pvm files?
In Activity Monitor, select each prl_vm_app and click Sample. Does the output give a clue what it's spending 80% of your CPU on while it is suspended?
For example, my prl_vm_app uses the following virtual machine related files:
Code:
/dev/disk4s2
/dev/rdisk4s2
/Users/joevt/Documents/Parallels/BootCamp2.pvm/{1fe9fd38-3b66-4563-9590-d463cf93aa42}.mem
/Users/joevt/Documents/Parallels/BootCamp2.pvm/{1fe9fd38-3b66-4563-9590-d463cf93aa42}.mem.sh
/Users/joevt/Documents/Parallels/BootCamp2.pvm/{1fe9fd38-3b66-4563-9590-d463cf93aa42}.mem.sh
/Users/joevt/Documents/Parallels/BootCamp2.pvm/ST31000528AS (disk4).hdd/PhysicalGpt.hds
/Users/joevt/Documents/Parallels/BootCamp2.pvm/ST31000528AS (disk4).hdd/PhysicalGptCopy.hds
/Users/joevt/Documents/Parallels/BootCamp2.pvm/ST31000528AS (disk4).hdd/PhysicalMbr.hds
/Users/joevt/Documents/Parallels/BootCamp2.pvm/ST31000528AS (disk4).hdd/ST31000528AS (disk4).hdd