Messing your computer up, if you want it messed up.
Big name companies use them. So if, let's say, if you get a free cracked version of internet explorer, then they send you a virus with the cracked copy. This means if you have the cracked version then you have to go out and buy a virus remover thing from the stores to get rid of the virus, so either way, they still get your money!
The lesson learnt from this is, get firefox!
YOU don't infect other computers with viruses.
You can get them in web pages, for example cookie viruses.
Computer programs that do not have a positive outcome for your PC.
9 infected:10 computers
They aren't... They make your computer slow.( because you need alot of updates, for Anti-virusses, windows updates, etc.)
Viruses destroy computers,BUT Anti-Viruses destroy viruses.
On computers
No. Computer viruses use lines and strings of code.
Computers are susceptible to viruses unless they are protected by special software and firewalls.
Through Computers.
There are no active viruses that affect Mac OS X.
No. Mac computers are more secure, and have a very difficult code for the computer. There are only a few mac viruses.