[Lilux-help] MTP support

All, I have been playing around with a Samsung Galaxy trying to connect it to my Kubuntu machines using MTP and I've run unto a very strange problem. The machines are similar - both are HP Laptops and both have Kubuntu 12.10 on them. Unfortunately, I do not remember the whole history of what I've changed on both systems, so this could be a fun troubleshooting exercise. So, the problem: on my machine, I can connect the android device without any problems and I can browse, modify, change etc. anything on the phone and the associated SD card. On my wife's machine, when I open the device in Dolphin, I see the two storage partitions on the phone (Card and Phone) via MTP. However, when I try to open either of those storage locations, I get a continuous "Loading Folder" message. My question: can anyone even begin to tell me how I can go about troubleshooting this? Everyone on the online message forums seems to say that "it just works" Which it did for one of my machines..... By the way, the machine that this is not working on is the newer of the two machines and supports USB 3.0. If anyone can help me solve this, I'll owe you a frothy beverage of your choice (made in LU of course). Regards Mike