I hope you can help me with my Kobo Arc. I cannot get my desktop computer to communicate with my Arc. It works when configured as a PTP device, but does not work as a MTP device. The Arc works fine on my laptop in both configurations. I am currently using Windows 7 32 bit on both laptop and desktop. When I tried a 64 bit version of Windows 7 on my desktop the kobo worked fine on both configurations. But I need it to work on the 32 bit win 7 as it is compatible with most of my hardware (printers, scanners etc.). I also reinstalled all my usb drivers but got the same results. Do you have any suggestions?