The "Crash Reporting Assistant" (which I think is drkonqi) has two Help buttons, as shown in the attached screenshot. Only the left button does anything, the right one does nothing when clicked. Reproducible: Always
Created attachment 95881 [details] screenshot
*** This bug has been marked as a duplicate of bug 354332 ***
Created attachment 96005 [details] Still in KDE Plasma 5.5.0