- Unable to start Parallels Desktop 9 after upgrading Mac OS X Update.
- You can’t open the application “Parallels Desktop” because it may be damaged or incomplete.
- Open Terminal application (Finder > Applications > Utilities > Terminal);
Copy the following command, paste it into Terminal window and press Return:
It will ask to enter the Mac admin password. Please enter it (you will not be able to see the symbols you type) and hit Enter/return.
Execute the additional command
chmod -R 755 /Applications/Parallels\ Desktop.app
- Start Parallels Desktop.