I have no clue why, I have owned mined for about 3 months and only had to reset it once. Other than that it has worked flawless. I am very pleased with my iPronto even though I hope they do decide to add some new features soon because they added all these extra's that have never been used yet. If they quit going forward with this remote and turning on the mic and USB port and so on... I will be very disappointed and probubly never buy a philips product again.
The product itself is excellent in my opinion, but the time it takes for them to implement all of it's potential is horrible at best. Hopefully we will have a new firmware upgrade soon {not 4 months from now} that will allow us to really use this remote.
On the plus side everything I throw at the iPronto it does without a glitch so I truly love it...