Painter 12 - Error 20 or Error 18 on Mac OS 10.7.2

When you launch the ESD (download) version of Painter 12 on a Mac OS 10.7.2 (Lion) you get Error 20 or Error 18.

A password may also be required prior to launching the program.

If you are working on a Network, you may need to review your permissions before being able to launch Painter 12.

It is very important to:

  • Make sure that the network connection stays stable when upgrading to 10.7 and that there is no timeout or any disconnection, especially if you are using Wi-Fi. An Ethernet connection could be more appropriate and stable. If the system fails to recognise the connection, open the Network Diagnostics and in the TCP/IP tab, click on ‘Renew DHCP Lease’
  • Verify that the password is accepted. If you have problems in logging in with your network credentials, you may need to reset your permissions in the Network Diagnostics dialogue box.

We suggest that you seek advice from your Network Administrator to do so.

Keywords: Painter 12, error 18, error 20, error, lion, mac, macintosh, 10.7


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