My computer sometimes suddenly restart after disk defragmentation and applied restore.it system still does not work. Can someone help me? : ()

I need help on my computer, it's a window Vista Home Basic. Sometimes my computer rebooted or encountered problem blue screen. Is it related to my anti virus program or any hardware or software failure? I try to solve it, Defrag disk and system restore, but it still does not work.

Do you have an antivirus installed? Otherwise download, update and scan with this

http://www.Microsoft.com/security_essentials/

Follow these steps

http://support.Microsoft.com/kb/929135

and this

  1. Open an elevated command prompt. To do this, click Start, click principally made programs,Accessories, right-click guest, and then click run as administrator. If you are prompted for an administrator password or a confirmation, type the password, or click allow.

Type the following command and press ENTER:

sfc/scannow

Tags: Windows

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