From your description, I understand you have fake Anti Virus software installed on your computer. Please do not worry. We are happy to assist you in resolving the issue on your computer. Please follow the instructions below to resolve the issue on your computer.
2. Download and save the FakeAlert Stinger to your desktop.
3. McAfee Labs recommends you disable system restore BEFORE running Stinger, as many threats will save copies of themselves to your restore points. Disabling system restore will delete your existing restore points, so you will be unable to use Windows System Restore until you re-enable them, and new restore points are created. For instructions on disabling system restore, click the following link: