I had Zenwalk 4.6 on a spare computer with a Via Samuel 2 processor and 256 Mb RAM. Worked fine.
Yesterday I upgraded it:
In fact I had to issue this twice, but then it worked with one nasty exception: firefox does't do anything.
starting firefox in a terminal gave:
/usr/lib/iceweasel/firefox-bin: error while loading shared libraries: libplc4.so:
cannot open shared object file: No such file or directory
$ locate libplc4.so
this means IMHO that libplc4.so is there for firefox, but I don't know how to solve this problem.
BTW. the text-browser lynx works fine in a terminal window.
yet another small update-flaw:
$ cat /etc/zenwalk-version
I expected: 4.8 ...