Next you will need to select the ISO file ( a file with an .iso extension i.e. example.iso).
F-Secure is a computer software company that makes anti-malware programs. They offer a free ISO of a bootable rescue disk. You can go to their download site by clicking HERE, or click the following link.Burn this ISO to a disk and you have the ability to boot your computer to the optical disk. This is a powerful tool against viruses. Because it allows you to scan your computer for malware without the virus having a chance to activate any self defence mechanisms that might be built in to it. After your computer boots run the virus scanner.