zune software will not open

I am running xp sp3 and i just did a system restore. Now my zume
software will not run. When i clickon the icon, i get the loading
mouse pointer, then it goes off and the program does not run. when i
go to run in the start menu, put in "zune.exe". in the task manager it
shows it come up for a second,then the process dissappears. I have
uninstall and reinstall 4 time , no luck .I have check all suggestion
ever thing ok.This issue was before i installed sp3.To day i unstalled
zune again, but this time i installed version 1.0 from cd that can
with zune device, it will open.but when i plug the zune device in ,it
state "to start, update the zune software on your pc." I went to
windows update and downloaded version 2.3, but when it said launch
nothing came up. Everthing is same as before.

Today i had this issues pop up. When i discennect from internet the
follows error pop up. ZuneBusenum.exe- application error. The
instuction at "0x100028f9" referenced memory at "0xoob442a8" the
memory could not be "written"