Netscape recommends that users of Communicator Standard and Professional editions download Communicator 4.05. You can find out what version of Communicator you are running by choosing About Communicator from the Help menu.

 If you are using Netscape Communicator Professional Edition (which includes Netscape Calendar, IBM Host On-Demand, and AutoAdmin) please read the information contained in these notes. In addition, you can click here to view the release notes specifically for Professional Edition.

NavigatorNavigator

• On Windows 16-bit platforms, if you get the error message, "No valid encryption policy was found," delete the cert7.db file located in the \Program Files\Netscape\Users\username directory, start Communicator, and then shut down. This should create a valid cert7.db file.
• On Windows 32-bit platforms, if you have trouble installing trusted certificates, delete your cert7.db file located in the \Program Files\Netscape\Users\username directory, start Communicator, and then shut down. This should create a valid cert7.db file.

SmartUpdateSmartUpdate

• If a SmartUpdate download of an item occurs while the item to be updated is open or in use, restart your system for the update to take place.

Cosmo PlayerCosmo Player

• On Windows 16-bit platforms, you may experience a system halt when exiting Cosmo Player.
• During loading of Cosmo Player within Communicator 4.0, there is a direct draw initialization error with some older graphics display drivers on Windows NT 4.0. Click OK to continue.