if you a chinese ,First one answer:http://www.maemoers.com/thread-3789-1-1.html

Second one... Kubuntu 10.04,i too,i finding answer......
flasher-3.5-readme could not be presented
try 'dpkg-reconfigure debconf' to select a frontend other than noninteractive

dpkg：处理 /home/xfd/下载/maemo_flasher-3.5_2.5.2.2_i386.deb (--install)时出错：
子进程 新的 pre-installation 脚本 返回了错误号 2
在处理时有错误发生：
/home/xfd/下载/maemo_flasher-3.5_2.5.2.2_i386.deb