hi !
i have a solution to the missing MSE taskbar-icon:
if the MSE-Icon fix: (run as ADMIN !)
Code:
regsvr32 "E:\Program Files\Microsoft Security Client\shellext.dll"
doesn´t work, then kill msseces.exe and restart MSE.
i´m running MSE v2-beta, but i think it should work also on MSE v1.