Hi ,I had this on my K100D and afther some asking around found out it was my spy ware not reconising that type of file , so i put a question on one of these techies site and he told me how to change the settings in my spy ware .I can find the site I used or find the email as since then I have change my pc and lost a few files on the swap ,sorry ,But give it a try your self there are lots of them about .or contact your spyware suppiler.again sorry I can't help with what it is you have to do .
