Kaspersky Rescue Disk is updated according to a preset combination of settings. Prior to updating the databases, Kaspersky Rescue Disk creates a backup copy of them should you want to roll back to the previous version. If the databases have become corrupted during the update process, you can roll back update. While the task is running, Kaspersky Rescue Disk downloads the updates and installs them on your computer. To update anti-virus databases, run the update task. Information about threats and neutralization methods is stored in Kaspersky Rescue Disk’s databases, so timely updating is an essential part in maintaining reliable protection. New viruses, Trojans, and malicious software emerge daily, so it is important to regularly update the application to keep your personal data constantly protected. Keeping the application updated is a prerequisite for reliably protecting your computer.