Make sure you are running it as Administrator.
Choose the applications/firmware you wish to install and click "Finish". 3. Flashing via Desktop Software For standard updates or "soft" bricked devices: Open BlackBerry Desktop Software. Connect the device. If prompted, click blackberry+9900+autoloader+flash+file+hot
An Autoloader (also known as a flash file or firmware bundle) is an executable file ( .exe on Windows) designed to automatically flash or update the operating system on a BlackBerry device. Make sure you are running it as Administrator