Those bootable disks have the clear advantage that (a) you don't have to boot into Windows to run them and (b) you don[t have to install them to run them.
So they are useful in cases where (a) you can't boot into Windows, or (b1) existing malware does prohibit their install, or (b2) you already have another antivirus program installed. So in these cases it will surely fnd and delete at least the same amount, maybe more, because the installed one doesn't even run, so finds and deletes 0.
Moreover, if a rootkit is active in Windows, it can hide infections from the antivirusprogram running in Windows. But it doesn't run if you boot from a disk. In this case also, the disk version will find at least the same amount, maybe more.
Also, a rootkit or active virus might cause a deletion to fail. So the disk version will delete at least the same amount, maybe more.
Kees
I recently started using the various bootable anti-virus/malware scanners, like the Kaspersky's Rescue Disk.
However i am really interested in how do these bootable scans compare to the "normal" Windows run scans.
For example, would a maximum scan from Kaspersky Rescue Disk find as many malware/viruses as a max scan from Kaspersky Total Security?
Assuming both anti-virus/malware scanners are up to date (latest versions and databases), which is expected to reliably find and clean more viruses/malware?
Thank you for helping out

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