Version: (using Devel) Installed from: Compiled sources It says "can not find a plugin which is able to proces the document being passed". I have verified that the document is a chm file. I d have the okular-extra-backends installed which should have chm support. Not sure if this is a downstream problem.
How did you install KDE? Which distro?
Kubuntu 8.10 and kde 4.2 beta 2 installed thru instructions on kubuntu.org. (I specify ubuntu in bugzilla, but somehow bugzilla changes this to Compiled Sources.
Kubuntu packages are compiled without CHM support.