<snip> > I know you say that Cygwin/XFree86 is up-to-date, > but are you running > Cygwin/XFree86 4.2.0? You can check by running > 'xdpyinfo' in a local > Cygwin/XFree86 session or in a terminal when you > are logged into another > machine via XDMCP. qt3, which is used by kde3, does not work with the xfree 4.1.x server, so I can confirm, that an update to xfree 4.2.0 is absolutly nesessary.
Ralf