Install a firewall to protect data from hackers

Install a firewall (firewall) to protect data from hackers, will be dug out of my machine. In step install I have chosen browser. And e-mail only to the Internet but wonder if I need to allow svchost.exe files to go through a firewall or not.

Firewall. The program will cry and ask that you accept the warning list of programs. The firewall allows the network to connect to the Internet or if you are not sure what program do Just click the button No, but if I could not remember what the program is selected from the Internet can do? You can check the list of programs. Those from the preferences of the firewall in this way you can answer yes, it failed to consider seriously It then gradually changed to preference if it is found that some programs that need the internet does not work, however, most users are often confused and unsure when I saw a list some files that do not know. Especially in this case is that svchost.exe file is usually found in the file system using Windows 2000 and Windows XP functions of this file is very important. Because it is a program that allows Internet Explorer to contact the internet, so if you answered No to alert the firewall When you see this file the result is that you will not be able to access the Internet was sure enough in the Windows XP version of Professional is a firewall free to use.