I experience many mouse pointer frozen. For this distro I think it is best to use
live-CD or 'dd'-command written live-Usb.

That is normal behavior in LXDE (and also KDE), plugged devices icons do not show up on the desktop like they do with Xfce.
You could also try to mount your USB key first after logging in LXDE,

>> possibly these are good ideas. I will try later.

were you able to successfully use LiveClone on your USB key & were these 3 packages incorporated in your new customized usb live key?

>> Sorry, Akuna, I am not a native english speaker.
I run lxde CD to boot up, then, added those 3 packages, then, launched first GIMP and checked if it works,
it ...

Yes, it was, Akuna. I checked all the three added packages, worked well. I tried to mount device
in pacman but could not. (I did not tried to mount the usbkey in console).

JRD ! good job ! I thought you gurus think I have bad usbkeys and no one would care about the bug.

Akuna, did you try to add more packages and LiveClone them ?
It is really strange. I am sure it is not hardware failure. I have 2 usb keys; both not recognized.
also, gparted did not work. Reboot, everything became perfect again, but I lost those download
packages and times.

Today I downloaded lxde live, burned a CD, run it, everything seems okay. Then
using gslapt, I added 3 packages, codeblock, gimp, and ooo; Successful ! then
I tried to clone the running environment to my usb key, but find I cannot change
the path to my usb key, within clone.desktop.in ! actually ...

It is possibly because of hardware failure. Now I give up the livecloned system and only use .iso that is
written to a usbkey with dd. Without persistence, the system is much more stable. As a newbie I don't
know how to get the error logs. Thank you both.

gapan, sincerely say sorry to you if you feel offended. I like this distro and it keeps staying on
my usbkey, but I really experienced many corruptions. I managed to get it saving new data
into the same usbkey with liveclone, and found Firefox corrupts unpredictably (it is mazilla's fault i think ...

hi, monosa, I got SCIM to work now. I am still using LiveCD on a USB key. The way to let SCIM to function is,
1. settings > SCIM set up > change keyboard (default is 'unknown')
2. log out, then you get a new 'log in' screen, then change 'language' to yours
3. log in, and try it in openoffice-writer ...