[Tigerz]

yae my brother your right there is and heres how u get to it::

1) got to file explorer
2) my device
3) windows
4) look for the start up folder and double click it
5) delete the program in the startup folder that u dont want to start up on reboot (which in your case is activsync)

then try it out give it a reboot (if u want)

hit dat rep