2. In Application manager, select the application youwant to install.During installation, the device shows informationabout the progress of the installation. If you install anapplication without a digital signature or certification,the device displays a warning. Continue installationonly if you are sure of the origin and contents of theapplication.To start an installed application, select the application. Ifthe application does not have a default folder defined, itis installed in the Installations folder in the main menu.To see which software packages are installed or removedand when, select Options > View log.Important: Your device can only support oneantivirus application. Having more than one applicationwith antivirus functionality could affect performance andoperation or cause the device to stop functioning.After you install applications to a compatible memorycard, installation files (.sis, .sisx) remain in the devicememory. The files may use large amounts of memory andprevent you from storing other files. To maintain sufficientmemory, use Nokia Ovi Suite to back up installation filesto a compatible PC, then use the file manager to removethe installation files from the device memory. If the .sis fileis a message attachment, delete the message from theMessaging inbox.Remove applications andsoftwareSelect Menu > Ctrl. panel > App. mgr..Scroll to a software package and select Options >Uninstall. Select Yes to confirm.If you remove software, you can only reinstall it if you havethe original software package or a full backup of theremoved software package. If you remove a softwarepackage, you may no longer be able to open files createdwith that software.If another software package depends on the softwarepackage that you removed, the other software packagemay 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 Symbiansoftware that has no verified digital signature can beinstalled.• Online certificate check — Check the onlinecertificates before installing an application.• Default web address — Set the default address usedwhen checking online certificates.Some Java applications may require that a message besent or a network connection be made to a specific accesspoint to download extra data or components.LicensesAbout LicensesSelect Menu > Ctrl. panel > Phone > Licenses.113 Security and data management