As it turns out…

Believe it or not, Windows95 is not a virus, as many (millions) have claimed. You want proof? Look no further!

What’s the difference between Windows95 and a virus?

Quality

Replicates Quickly
Virus: Yes
Windows95: Yes

Uses up valuable system resources, slowing down the system as they do so
Virus: Yes
Windows95: Yes

Occasional hard disk destruction
Virus: Yes
Windows95: Yes

Usually carried, unknown to the user, along with valuable programs and systems
Virus: Yes
Windows95:Yes

Will occasionally make the user suspect their system is too slow and the user will buy new hardware
Virus:Yes
Windows95:Yes

Occasional meltdown of vital components
Virus:Yes
Windows95:Yes

Until now it seems Windows is a virus, but there are several fundamental differences.
Viruses:

1.are well supported by their authors
2.are running on most systems
3.have fast, compact and efficient source code
4.become more sophisticated as they mature