You have not specified your error and therefore it is rather difficult to assist you. Try reinstalling the game for in-game issues or checking your internet connection/firewall/your protection for internet related issues.
hard to answer. are you receiving an error?
no
none specifically. Team Fortress 2 does NOT give you a virus.
Team Fortress 2 was initially a Quake Mod (Team Fortress), for Capture the Flag and Team Deathmatch
Team Fortress 2 is the sequel to the video game Team Fortress. There are similar characters and missions in both games, but the main differences are the new maps and new statistics capability in Team Fortress 2.
Team Fortress Classic and Team Fortress 2 is developed by Valve Inc.
No, there are no throwable grenades in Team Fortress 2
Team Fortress does not have levels.
You can find Team Fortress 2 at store.steampowered.com
Team Fortress 2 is Free on Steam
Yes, Team Fortress 2 is for Xbox 360 but it doesn't get updated.
Team Fortress 2 is available on Steam for free to all users.