Guys i have need of back..my computer hang and unresposive,?.?

even i'm surrounded by a middle of something like surfing the web or openning a program it suddenly hang and sometimes its purely black screen resembling shutdowning but you have you to push the reboot botton to restart the computer. i don't know what be happening beside my computer and need your support to fix it and to find out what's wrong. please please help. appreciation.

Answer:
Hey download Advanced windows Care from download.com and install the software. afterwards do a scan and then fix the detected problems beside it and restart.

This would surely help.
HA?!!! it must be virus!! when you using your internet, the virus will update so after the update finish the virus will command your computer too reboot
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