I use 12.04 LiveUSB and just recently installed ProzGUI & FlashGot. After I re-started the LiveUSB and tried to download some file, the application can't do the download. The ProzGUI "window" just flashed and then disappeared but there was no download process at all. I thought it only happens because I still using Firefox 11, but after changing to version 17 I still can't use the ProzGUI to download. Can anyone advise me on this?