If you encounter difficulty displaying Java-based applications (controls or text not being displayed correctly, or blank windows), upgrading to the latest libxcb-xlib libraries should correct the problem on most Linux distributions.Authentication errors from component modules during unattended installations may indicate that the specified values of --servicepassword or --superpassword may be incorrect.If you encounter an error during the installation process on a Windows system, exit the installation, and ensure that your version of Windows is up-to-date. After applying any outstanding operating system updates, re-invoke the Advanced Server installer.If applications fail to launch (such as StackBuilder Plus or your web browser) during the installation process on a Linux system, verify that the xdg-open program is on your system. If xdg-open is missing, install the xdg-utils package.If you are using the GNOME desktop, load the root profile before running the Advanced Server installation script. To load the root profile, issue the command, su - root instead of su root before installing Advanced Server.If you are using a Linux system with the gnome console, a bug in the gnome shell may cause configuration file editors accessed via the Expert Configuration menu (under the Postgres Plus Advanced Server Application menu) to close spontaneously. To correct this error, open a terminal window and enter:Please note that each time you reboot your system, you must invoke the command, resetting the value.The Installation Fails to Complete Due to Existing data Directory ContentsIf an installation fails to complete due to existing content in the data directory, the server will write an error message to the server logs:If you encounter a similar message, you should confirm that the data directory is empty; the presence of files (including the system-generated lost+found folder) will prevent the installation from completing. Either remove the files from the data directory, or specify a different location for the data directory before re-invoking the installer to complete the installation.