that something bad may have happened and you should take
Protect your computer with Windows security tools
Windows provides a variety of protection applications.
If you have an active Internet connection, Windows can check for
important updates for your computer and install them automatically.
These updates include security patches and program updates that
can improve your computing experience and help protect your
computer against new viruses and attacks.
How do I know when my computer is at risk?
If the Action Center reports an alert, or if your computer behaves
erratically, crashes unexpectedly or if some of your programs do not
work correctly, your computer may be infected by malicious software.
However, do not blame every computer problem on a virus! If you
suspect your computer is infected, the first thing to do is update, if you
have not already done so, and run your antivirus and anti-spyware
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