Error indicating your serial number is invalid or Error 20 when launching Corel Painter 12 after upgrading to a newer version of Mac (OS) X, including Mavericks

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You may receive an error indicating your serial number is invalid or Error 20 when launching Corel® Painter™ 12 after upgrading to a newer version of Mac (OS) X, including Mavericks



This issue is most likely caused by incorrect permissions created on key system folders during migration to a new version of Mac OS X causing issues with the activation of Painter 12.

METHOD 1

  1. From the Finder, click on the Go menu and select Go to Folder
  2. Type /System/Library/CoreServices and click Go
  3. Open the Directory Utility
  4. From the Directory Utility, click the  icon to unlock the settings and enter your password
  5. Then go to the Edit menu and select Enable Root User
  6. You will now be prompted to create a password for the Root user, do not lose this password
  7. Leave the Directory Utility running and open a new Finder window
  8. Click on the Go menu and select Go to Folder
  9. Type /Library/
  10. Now Right-Click (or control-Click if you are using a MacBook) the Preferences folder
  11. Choose Get Info
  12. Click the  beside Sharing & Permissions at the bottom of the Info window
  13. Click the  Icon and enter your password to unlock the settings
  14. Change the permissions for Everyone to Read & Write
  15. Click the  and choose Apply to enclosed items…
  16. Leave the Preferences Info window open and launch Painter 12
  17. You may be prompted to re-enter your serial number and re-activate Painter 12
  18. Once Painter 12 has launched successfully, return to the Preferences Info window
  19. Revert the permissions for Everyone back to Read only
  20. Click the  and choose Apply to enclosed items… and close the Preferences Info
  21. Return to the Directory Utility
  22. Click the Edit menu and select Disable Root User


METHOD 2

This method requires use of the Terminal and sudo command, you must have a password on your computer account in order to use sudo.

  1. Go to your Launchpad or Applications folder
  2. Go in Utilities
  3. Open the Terminal
  4. Type in the following command and press enter (the command is case sensitive)

sudo /Applications/Corel\ Painter\ 12/Corel\ Painter\ 12.app/Contents/MacOS/Corel\ Painter\ 12

  1. Enter your password and press enter
  2. Painter 12 should launch and may prompt you to re-enter your serial number and re-activate Painter 12

 

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