If you remove software, you can only reinstall it if you have the original softwarepackage or a full backup of the removed software package. If you remove a softwarepackage, you may no longer be able to open documents created with that software.If another software package depends on the software package that you removed,the other software package may stop working. Refer to the documentation of theinstalled software package for details.Application manager settingsSelect Menu > Settings and Application mgr..Select Installation settings and from the following:● Software installation — Select whether Symbian software that has no verifieddigital signature can be installed.● Online certificate check — Select to check the online certificates beforeinstalling an application.● Default web address — Set the default web address used when checking onlinecertificates.RealPlayerWith RealPlayer, you can play video clips or stream media files over the air withoutsaving them to the device first.RealPlayer does not necessarily support all file formats or all the variations of fileformats.Select Menu > Applications > RealPlayer.RealPlayer toolbarIn the Video clips, Streaming links, and Recently played views, the following toolbaricons may be available:● Send — Send a video clip or streaming link.● Play — Play the video clip or video stream.Other applications© 2010 Nokia. All rights reserved. 111