I'm using WP 2.2, theme WuCoco 0.10.01
I had been having difficulty uploading the "recent comments" widget (I'd upload it to my host but it wouldn't show in my WP plugins admin panel) but now that my host has supplied WP 2.2 in their "one click" upgrade, I proceeded to do so last night.
Now, I get the drag and drop widgets page, but when I drop the "recent comments" Widget into either sidebar, all the other information in that sidebar disappears. The widget functions perfectly, but all my other stuff cannot be seen.
When I remove the Widget, the information and formatting looks as before.
Oddly enough, while the Widget is in place, I can look into the sidebar code and all the other stuff still shows despite not being visible, and no code for the Widget appears.