Has your camera suddenly gone faulty after you have been on the beach on holiday for example, the lens is stuck, it has noisey zoom, focus errors, o.i.s errors, zoom errors etc. This is highly likely down to sand that has blown inside the lens mechanism.
This can be repaired. The process involves completely stripping the camera and lens section and a professional thorough clean and removal of any sand, debris or dust. This repair can be completed at a cost of £59 including VAT and return postage.