Analysis of "Recycler confirm dialog" setting
Analysis of Byte #5 of
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ShellState

[ ]	Unchecked
[X]	Checked
[X]1st	Checked and never changed settings of recycler

Windows 95b ohne IE4
ShGetSettings:	NOT EXISTING!
[ ]	05h	0 0 0 0 0 [1] 0 1
[X]	01h	0 0 0 0 0 [0] 0 1
[X]1st	?	?

Windows 2000 Professional
ShGetSettings:	OK
[ ]	25h	0 0 1 0 0 [1] 0 1
[X]	21h	0 0 1 0 0 [0] 0 1
[X]1st	20h	0 0 1 0 0 [0] 0 0

Windows 2000 Professional (Some other settings!)
ShGetSettings:	OK
[ ]	65h	0 1 1 0 0 [1] 0 1
[X]	61h	0 1 1 0 0 [0] 0 1

Windows XP
ShGetSettings:	OK
[ ]	35h	0 0 1 1 0 [1] 0 1
[X]	31h	0 0 1 1 0 [0] 0 1
[X]1st	30h	0 0 1 1 0 [0] 0 0

Windows 2003 Server EE, SP1
ShGetSettings:	OK
[ ]	3Eh	0 0 1 1 1 [1] 1 0
[X]	3Ah	0 0 1 1 1 [0] 1 0
[X]1st	33h	0 0 1 1 0 [0] 1 1

---

Unknown sources:

http://www.msfn.org/board/single-shellstate-disable-recycle-delete-conf-t122649.html
(!) If this is true, the behavior of the 3rd bit seems to have toggled (which I do not believe)
[ ]	2Ah	0 0 1 0 1 [0] 1 0
[X]	2Eh	0 0 1 0 1 [1] 1 0

Unknown Source
?	27h	0 0 1 0 0 [1] 1 1
?	23h	0 0 1 0 0 [0] 1 1