firefox bookmarks dead after konqueror adblock enabled

The issue - bookmarks in firefox fail to link to sites.
Possible cause - after adding the adblock filter to konqueror.

Prior to adding the filter the bookmarks worked fine in FF. This is the second time on two different installs this has happened. I have yet to locate any info on the issue. Has anyone else encountered this?

opensuse 11.2 RC2 - up to date
konqueror (kde 4.3.1 release 6)
Firefox 3.5.4 -Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20091016 SUSE/3.5.4-1.1.2 Firefox/3.5.4

What happens if you switch of the adblock filter ?

switching off the adblock filter had no effect


uninstalled firefox
Set filter to a blank list in konqueror (remove may have worked but this was my initial idea)
re-installed firefox ( version 3.5.5)

Issue no longer present!