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, theother software package may stop working. For more information, see thedocumentation of the installed software package.Application manager settingsSelect Menu > Ctrl. panel > App. mgr..Select Options > Settings and from the following:Software installation — Select whether Symbian software that has no verified digitalsignature can be installed.Online certificate check — Check the online certificates before installing anapplication.Default web address — Set the default address used when checking online certificates.Some Java applications may require that a message be sent or a network connection bemade to a specific access point to download extra data or components.LicensesDigital rights managementContent owners may use different types of digital rights management (DRM)technologies to protect their intellectual property, including copyrights. This device usesvarious types of DRM software to access DRM-protected content. With this device youcan access content protected with WMDRM 10 and OMA DRM 2.0. If certain DRM softwarefails to protect the content, content owners may ask that such DRM software's ability toaccess new DRM-protected content be revoked. Revocation may also prevent renewalof such DRM-protected content already in your device. Revocation of such DRM softwaredoes not affect the use of content protected with other types of DRM or the use of non-DRM-protected content.About LicensesSelect Menu > Ctrl. panel > Phone > Licences.Some media files, such as images, music, or video clips, are protected by digital usagerights. The licenses for such files may allow or restrict their usage. For example, withsome licenses you may listen to a song only a limited number of times. During oneplayback session you may rewind, fast-forward, or pause the song, but once you stopit, you have used one of the instances allowed.Security and data management 157