Well, some generic daemon module *could* help ;)

Anyway, I came up with a (very sucky) solution for those interested (I don't use it myself 'cause it's so sucky xD):

1. dl CHP: http://www.commandline.co.uk/chp/ (for running progs with windows hidden)
2. create a new bat file with below content:

tskill YzToolBar
start /b cmd.exe /c "X:\PATH\TO\YZTOOLBAR_FOLDER\YzToolBar.exe"
explorer.exe "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}"


3. create a new shortcut somewhere with below target:

X:\PATH\TO\CHP_FOLDER\chp.exe cmd.exe /c X:\PATH\TO\SCRIPT_FOLDER\NAME.bat

4. use this shortcut anywhere in your Litestep/other shell you like, you may offcourse replace "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}" with "X:\SOME\PATH" when needed.

So, whats sucky ? well it eats a few megabytes for a few extra processes, but the most annoying is that YzToolBar will not succede initializing fast enough for you not to see explorer FM launch with original toolbar only to have it changed a second or so later :(
I know one could throw in some wait command in cmd between launching of yztoolbar and explorer, but then explorer will delay, which is sucky in a different way.. :(

BTW, the tskill command is for XP, i think NT/2000 should have kill or pskill (instead ?).