Does anyone else suffer from an unusable zoom in the Casio Exilim EX-S500? It normally happens when I am outdoors, the pictures come all white and with vertical lines. Indoors sometimes it's better, but it still looks strange, with vertical lines all over the picture.

It looks like the light reader or exposure goes haywire when any amount of optical zoom is done.

Also, I often get the lens stuck and it says "Lens error".

I bought the camera in Thailand, and live in Paris, I hope the guarantee would cover if it's a fault, but wanted to check if anyone else has experienced this.