Thanks Dan, i installed the J2SDK Blackdown-1.4.1-01 and all is now well.
As you say, the whole Oxygen experience is now much faster and windows graphics are much better.

--David

Drat, sorry i left those specs in the previous thread "xmlcatalog fails when using two separate catalogs". Here they are ...

version: Oxygen2.0 trial
platform: linux
jdk: Blackdown-1.3.1

Thanks for the logfile instructions. I will sent the output directly to Dan.

--David

I am now not so sure that this problem with the stalled preferences window is anything to do with additional catalogs. I uninstalled the software, removed some other remnants, then re-installed ... and i still get the window lockup problem even without configuring any extra catalogs. I will talk abo...

Steps that indicate the problems ... 1) Install Oxygen and the license key 2) Start Oxygen ... cd ~/Oxygen2.0; ./oxygen.sh 3) Open the samples.xpr project file 4) Open the xhtml/sample.xml ... fine, looks nice 5) A message appears in the shell window "null: catalogs not found." This step d...