I believe some applications are installed by the carrier. If you go into Applications and you don't find them, try going from the home screen into Options | Advanced Options | Service Book. If you see "FaceBook" in that list, try to delete it. Also try going back into Applications, display the menu, and go into Modules to see if you can find and delete the application
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You speaketh the truth, and the wording in the question brings up an important issue. When you can uninstall using the desktop software, DO IT! I used the options/applications/delete method when I should have used the desktop and oh me, oh my. The particilar software that I deleted interfaced with the native BB software as it relates to categories. Upon my merely deleting this third party software I as well deleted BB's categories (filters) feature!!! Be real careful in getting rid of programs; and be wise in adding them. (My 2 cent's worth.)
Go into the options folder and select advanced options, then select applications, highlight the one you want to delete and select. Your phone will then build a new apps list. It also may ask you to restart the phone.select yes and it will restart automatically