http://personalfirewall.comodo.com/d..._firewall.html

Also download softwares from trusted companies only, and for that first get yourself "firefox" and then install some security addons like "WOT" on it! They will tell you whats relatively safe.


For the gamemaker part: get

FlashDevelop : http://www.flashdevelop.org/communit...forum.php?f=11
FlexSDK : http://www.adobe.com/products/flex/flexdownloads/