What is your computer having (e.g., won't boot, pop-ups)? What operating system are you running (Windows 10, 11)? I can help guide you on how to use the tool properly.
is a free, official tool provided by Kaspersky Lab to scan and disinfect infected computers that cannot boot into Windows. It is designed to be used in emergencies to remove viruses before the operating system loads, ensuring malware cannot hide or actively defend itself.
Get the official ISO image for Kaspersky Rescue Disk from the official site.
Use a tool like Rufus to burn the ISO onto a USB drive.
Insert the USB into the infected machine, boot from it (via BIOS/UEFI), and run the scanner.