probably one of the silliest question ever known to mankind. millions of viruses are created and hunted every week, how can you ask for specific numbers you noodle
If you go to the Microsoft website, they have several different "how to" guides for many different types or errors and problems, including a check for Microsoft viruses.
No, Microsoft Flight Simulator X does not give you viruses if you buy an authentic copy.
There are many places where one would find information on PC viruses. One could check Microsoft's official website for information on a variety of PC viruses.
Scientists do not know how many viruses there are because new ones are constantly being made from old ones joining.
Many the only ones I know of are just a small handfull of how many there could possibly be (torojan horse, some kind of weird name like Bot ___, and a few others) the closest number is 300
Microsoft Windows.
YES
Yes, it's against Microsoft's TOS to tamper with their software, and MANY if not ALL of the membership generators are viruses that can harm someone's computer.
Microsoft Office documents
There are many free anti-virus programs that you can use. The most popular are AVG free and Microsoft Security Essentials.
Yes MS security essentials is very good antivirus. Its latest version's real-time protection is just awesome that detects viruses entering your PC that is from a downloading file.
You can download anti-virus software (also known as malware or spyware) directly from Microsoft's online security center. This is a free download from Microsoft.