Original sentence: However, in complex scenarios where malware such as spyware, adware and viruses are involved, the removal of system-critical files may result.In the age of rapidly evolving malware, even a full system restore may be unable to rid a hard drive of a bootkit.Registry cleaners are likewise not designed for malware removal, although minor side-effects can be repaired, such as a turned-off System Restore
Edited sentence: (See TRSSKiller.However, in hyper-complex scenarios where malware such as spyware, adware and viruses are acting out, the panicked removal of system-critical files is likely to be the immediate result.Registry cleaners are likewise not for malware removal, although minor effects can be repaired, such as a turned-off System Restore.This kind of "learning curve" results in dozens of hours being wasted, and the potential permanent loss of work.Unfortunately in the day of rapidly evolving malware, even a full system restore using a drive image is incapable of ridding a hard drive of a TRSS root kit for example, and such a bit of malware is immune from non-specific malware tools to remove, even (fantastically enough) from "wiping" and "formatting" a disk from a CD-boot utility