my computer is locked because my antivirus is out of date

How can I remove it?

Hello

which antivirus?

an anti-virus do not normally snaps out you of your computer if it is expired

Just constantly update the definitions and leave you without protection against malware

I suggest that you scan for malware in safe mode with networking

Download update and scan with the free version of malwarebytes anti-malware

http://www.Malwarebytes.org/MBAM.php

You can also download and run rkill to stop the process of problem before you download and scan with malwarebytes

http://www.bleepingcomputer.com/download/anti-virus/rkill

Windows Vista

Using the F8 method:

  1. Restart your computer.
  2. When the computer starts, you will see your computer hardware are listed. When you see this information begins to tap theF8 key repeatedly until you are presented with theBoot Options Advanced Windows Vista.
  3. Select the Safe Mode with networking with the arrow keys.
  4. Then press enter on your keyboard to start mode without failure of Vista.
  5. To start Windows, you'll be a typical logon screen. Connect to your computer and Vista goes into safe mode.
  6. Do whatever tasks you need and when you are done, reboot to return to normal mode.

and if you need a new anti-virus uninstall antivirus expired when you get your machine will once again and then install avast anti-virus

http://www.avast.com/free-antivirus-download#TAB4

Tags: Windows

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