How many type of computer viruses?

Thousands.

How many type of computer viruses?aurora

You'll experience less threats on Linux/Macs etc because hardly anybody uses them so it's pointless creating trojans/viruses for them lol. I'd safely say the numebr of viruses/trojans is a 7 figure number aka 1,000,000+

How many type of computer viruses?download

to many try doing an internet search and you will see
Thousands upon thousands. Check out Norton's website.

http://www.symantec.com/enterprise/secur...

Have a great day!!!
thousands, and more are being pumped out. spyware is also something to watch out for, especially the stuff by directrevenue. rootkits are terrible too...
un countable numbers.millions.................
MILLIONS, TROJANS.BUGS,WORMS,DOWNLOADERS,ETC
Very, very, very much.

But, guess what? 99.99999% are for Windows. If you take some other OS like any Linux distribution, FreeBSD, Solaris... you will be free of the plague.
MILLIONZ!!!!