Tools107• The .jar file is required for installing Java applications.If it is missing, the device may ask you to download it.If there is no access point defined for the application,you are asked to select one. When you are downloadingthe .jar file, you may need to enter a user name andpassword to access the server. You obtain these fromthe supplier or manufacturer of the application.1 To locate an installation file, press , and selectTools > App. mgr.. Alternatively, search the devicememory or a compatible memory card (if inserted) inFile mgr., or open a message in Messag. > Inbox thatcontains an installation file.2 In App. mgr., select Options > Install. In otherapplications, scroll to the installation file, and pressto start the installation.During installation, the device shows informationabout the progress of the installation. If you areinstalling an application without a digital signature orcertification, the device displays a warning. Continueinstallation only if you are sure of the origin andcontents of the application.To start an installed application, locate it in the menu, andpress .To start a network connection and to view extrainformation about the application, select Options > Go toweb address, if available.To see what software packages are installed or removedand when, select Options > View log.To send your installation log to a help desk so that theycan see what is installed or removed, select Options >Send log > Via text message or Via e-mail (availableonly if the correct e-mail settings are in place).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) remain in the device memory.The files may use large amounts of memory and preventyou from storing other files. To maintain sufficientmemory, use Nokia PC Suite to back up installation files toa compatible PC, then use the file manager to remove theinstallation files from the device memory. See ‘Filemanager’, p 105. If the .sis file is a message attachment,delete the message from the Messaging inbox.Remove applications and softwareScroll to a software package, and select Options >Remove. Select Yes to confirm.If you remove software, you can only reinstall it if youhave the original software package or a full backup of theremoved software package. If you remove a software