Note: PGP Desktop for Mac OS X, and PGP Universal Satellite for Mac OS X cannot both be installed in the same system. The installers for both products will detect the presence of the other program and end the install.
You can upgrade to PGP Desktop for Mac OS X from a previous version of one of the following products:
Tip: When upgrading PGP Desktop on a Mac OS X 10.6 system, you are prompted to allow various PGP components (such as the PGP Engine) to access information in your keychain. This prompt can appear several times as there are several components that require access to the keychain. To avoid seeing this prompt more than once, be sure to select Always Allow.
Caution: Installing any version of PGP Universal Satellite on top of PGP Desktop 10.x for Mac OS X is an unsupported configuration. Neither program will work correctly. Uninstall both programs and then reinstall only PGP Desktop.