stackhash

i've been using window vista ultimate 64 bit edition for a while,an
today suddenly that an *appcrash* problem occur.
when i tried to open photoshop,an error messge pop out and stop me fro
launching photoshop.
and after that i realize that some of my other software cannot b
launch.
such as nero.....
'[image
http://img170.imageshack.us/img170/8...ckhashhd2.jpg]
(http://img170.imageshack.us/img170/8...ackhashhd2.jpg) (\"http://img170.imageshack.us/img170/8662/stackhashhd2.jpg\")



can anyone help me to solve this problem>

--
icethrone