windows 7 explorer is different compared to xp.i have lot of pictures in a folder. i sorted that folder into date modified but whenever i open that folder it's sorted as name initially and green bar in running in address bar ,i am getting pictures sorted as date only after 2 minutes. why this problem.if i move some 5 to 10 pictures in that folder also it takes time.why so?in windows xp it's working fine.why there is green bar in windows 7? my config intel dual core 1.8 ghz, 2 gb ram,windows 7 ultimate,160 gb ram,asus p5 gc mx motherboard.