Running kubuntu 11.04x64 w/ xrender and folder-view plasmoid:

I cannot view "open with" for directories on the desktop (but it is visible w/in dolphin file structure) and whenever I try to rename folders on the desktop it crashes and restarts (but the rename is successful and no open windows crash).

This glitch is reproducible under OpenGL and Xrender; had to switch over to xrender after a recent system update that seems to slow my computer to a crawl after a little time and kept it cause it seems much smoother and crisper.

Is there any way to fix these issues or is there an alternative to the folder-view plasmoid to view a folder content on the desktop that is more stable?

Just to rule out compositing - does it crash if compositing is disabled?

Also, can you verify that your system is fully up to date?