Symptoms
I cannot start Parallels Desktop.
Unable to start Parallels services. Problem ID: 15381

Cause
Incorrect permissions to the /private/tmp folder on the Mac side.
Resolution
In order to perform necessary operations you should start up your Mac in Recovery Mode:
- Start Terminal: open Finder - Applications - Utilities - Terminal.
Type in
ls -dlO /private/tmpand hit return (Enter).NOTE: in
-dlOO is a capital o, not the figure zero.- If the output of the command above contains the word restricted, proceed with the following steps. If not, contact the Support team.
Restart your Mac and hold down Command+R combination on the keyboard until Apple logo appears on the screen.

NOTE: If you see a login window or your own desktop instead of the Utilities window, it's possible that you didn't press Command+R early enough. Restart your Mac and try again.
This is how Recovery Mode looks like:

From the menu bar choose Utilities and then Terminal.

Execute the following command:
chflags norestricted /Volumes/Macintosh\ HD/private/tmpNOTE: You should hit return/Enter after entering the command to execute it.
The result of performing this command should look like:

If after executing the command you receive output similar to:
chflags norestricted /Volumes/Macintosh\ HD/private/tmp: No such file or directoryIt means that somehow your Mac hard disk was renamed and we should obtain its name. To do that, perform the following command:
diskutil listThe result of performing this command should look like:

NOTE: In this particular case Mac hard disk has default name. Locate the largest disk by its size in the SIZE column and use its name between
chflags norestricted /Volumes/and/private/tmpwhile executing the command, e.g.:chflags norestricted /Volumes/MacSSD/private/tmpRestart your Mac normally (select Apple logo > Restart from the menu bar) and execute the following command once again:
ls –dlO /private/tmpMake sure now the output has no restricted flag set.
Yes
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