Please clarify exactly what you mean. The display of the FaceBook icon is broken? Or something happens when you select the icon that you do not expect? Or something else. Please be very explicit with all of the steps you undertake, the results you expect from each step, and the result you see from each step.
Thanks and let us know!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.