[support] [Drupal 5] can't edit users anymore

[Xavier Bestel]

Hi,

since not long ago, I can't edit my users anymore.
When I try to edit an user, e.g. to go to:
http://example.com/user/2/edit
I'm redirected to:
wyciwyg://20/http://example.com/user/2/edit

(the "20" is increasing at each try)
it's an empty unthemed page with only a "disable rich-text" link (the
same that's present on the tinymce editor), which tries to load forever.

Any hint ?

Thanks,
	Xav