It is important to note that not all computer viruses are created with malicious intent. Some viruses, known as "joke" viruses or "hoax" viruses, are created for the purpose of causing harmless computer mischief, such as displaying a pop-up message on the infected computer.
To protect your computer from viruses, it is important to use anti-virus software and keep it updated. It is also important to practice safe browsing habits, such as avoiding clicking on suspicious links or downloading software from untrusted sources. Additionally, keeping your operating system and other software up to date with the latest security patches can also help protect your computer from viruses.
If your computer does become infected with a virus, it is important to take immediate action to remove the virus and prevent further damage. This may include running a full scan with your anti-virus software, restoring your computer to a previous state, or even wiping the hard drive and reinstalling the operating system. In some cases, it may be necessary to seek professional help to remove the virus and restore your computer to proper working condition.