PC always restart to connect my phone

[senter]

my pc always restarting when i use usb cable to connect with pc in both phone mode or file transfer mode. if i use phone explorer my pc restarting even i have disconect it. with SE pc suite also the same problem. it never happen on my friend's pc. i've try to reinstall my OS but the problem still exist. so now i alway use bluetooth cos that inconvenience.
can anybody help me plissss..
SORY FOR MY ENG LANG

Install USB drivers for your phone: Sony Ericsson - Emma

[ikang]

ok i'll try it. thx alot 4 the reply bros.