check whether u have access to scheduled task or not..
just put a schedule task to to run command prompt after 2 mins..
then thw command prompt widow will open before u (which have 'system' power ful user other than administrator rights)..
kill explorer.exe at task manager processes list.
and run again from command prompt.
so that u will beon the explorer window of 'system' user.
fromthere try to give permissions to the foledr..