There are several options, both free and paid, to help you resolve this and protect your system from future attacks. While the paid options have more bells and whistles, the free systems are adequate for most users.
One of the top free options is Microsoft Security Essentials. Here's the download link: http://www.microsoft.com/security_essentials/ After you download the file:
Double click the exe file to run it. Follow the instructions given to you. When installation has completed, the program will open, update virus definition and you can start a scan of your system. Follow the instructions given to remove any flagged files.
If you have a bad virus that won't let you do anything on the computer, follow the instructions on this link before you install MSE.
Answers & Comments
There are several options, both free and paid, to help you resolve this and protect your system from future attacks. While the paid options have more bells and whistles, the free systems are adequate for most users.
One of the top free options is Microsoft Security Essentials. Here's the download link: http://www.microsoft.com/security_essentials/
After you download the file:
Double click the exe file to run it.
Follow the instructions given to you.
When installation has completed, the program will open, update virus definition and you can start a scan of your system. Follow the instructions given to remove any flagged files.
If you have a bad virus that won't let you do anything on the computer, follow the instructions on this link before you install MSE.