1. What Is Prl_vm_app On Macbook Air

However, we also found its prlvmapp process often chewed up processor cycles like nobody's business, and for a short while we were worried our MacBook would melt, such was the strain Parallels.

I don't know where you determined you have a corrupted filesystem and need to use Disk Utility to repair it. Your computer runs hot when sleeping, most likely, because you have something running that does not stop during sleep. You should check what is going on with your third-party software. You also are straining RAM to the point where at times the system is using space on the disk drive to provide needed RAM via virtual memory which is very slow compared to regular RAM.


A Troubleshooting Procedure that may Fix Problems with macOS El Capitan or Later

You should try each, one at a time, then test to see if the problem is fixed before going on to the next.


What Is Prl_vm_app On Mac

Be sure to backup your files before proceeding if possible.


  1. Shutdown the computer, wait 30 seconds, restart the computer.
  2. Disconnect all third-party peripherals.
  3. Reset your Startup Disk and Sound preferences.
  4. Start the computer in Safe Mode. Test in safe mode to see if the problem persists, then restart normally.
  5. Use Apple Hardware Test to see if there is any hardware malfunction.
  6. Repair the disk by booting from the Recovery HD. Immediately after the chime hold down the Command and Rkeys until the Utility Menu appears. Choose Disk Utility and click on the Continue button. Select the indented (usually, Macintosh HD) volume entry from the side list. Click on the First Aid button in the toolbar. Wait for the Done button to appear. Quit Disk Utility and return to the Utility Menu. Restart the computer from the Apple Menu.
  7. Repair permissions on the Home folder: Resolve issues caused by changing the permissions of items in your home folder.
  8. Create a New User Account Open Users & Groups preferences. Click on the lock icon and enter your Admin password when prompted. On the left under Current User click on the Add [+] button under Login Options. Setup a new Admin user account. Upon completion log out of your current account then log into the new account. If your problems cease, then consider switching to the new account and transferring your files to it - Transferring files from one User Account to another.
  9. Download and install the OS X El Capitan 10.11.6 Combo Update or 10.12.6 Combo Update or Download macOS High Sierra 10.13.3 Combo Update as needed.
  10. Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button.
  11. Erase and Install OS X Restart the computer. Immediately after the chime hold down the CommandandRkeys until the Apple logo appears. When the Utility Menu appears:
  1. Select Disk Utility from the Utility Menu and click on Continue button.
  2. When Disk Utility loads select the drive (out-dented entry) from the Device list.
  3. Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
  4. Set the Format type to APFS (for SSDs only) or Mac OS Extended (Journaled.)
  5. Click on the Apply button, then wait for the Done button to activate and click on it.
  6. Quit Disk Utility and return to the Utility Menu.
  7. Select Reinstall OS X and click on the Continue button.

What Is Prl_vm_app On Macbook Air

If none of the above helps then make an appointment at the Apple Genius Bar for service. If you need to find an Apple Store - Find a Store - Apple.