Since it is so dangerous, why would designers install software into the kernel at all (or make use of kernel software) ? If you were an antivirus designer or maker, what other methods do you utilize to prevent virus?

The answer to this question can be described as follows:

Explanation:

The Developer loads the kernel program, which is only the kernel has rights to modify the system, with the same file to access the application areas, which don't access in consumer mode. It enables the developer to a lot of flexibility, and it does not restrict the work.

Virus prevention:

It would maintain the firewall system to stop any networked viruses. It disables all unused files and then delete the unidentified files. It keeps the antivirus, that still on and scan it