The app-browser seems to be fine most of the time, but whenever I have to install a tce with many dependencies, like compiletc or abiword, I find that one of the white aterm download windows freezes.
I looked closely at an instance of this whilst installing abiword where the window libgnomeprint just froze at 0%. I killed the aterm wget process and that window vanished and the rest of the install proceed normally. I then looked in my tce dir and found the libgnomeprint had downloaded properly and libgnomeprint*.so* files were in /usr/local/lib and /usr/local/tce.installed had a libgnomeprint file.
So it seems that the download and install of libgnomeprint was OK - so why the freeze?