What is the best software for my computer as far as antivirus goes???

i need an all in one virus,malware,spyware and worm protection on my computer.what would be the best software for that..is there any online sites that have free trials so that i can use that until i buy one from the store??ive tried a few but all have failed..my main problem is this thing on my home page it wont let me look things up and its something called security something. i dont know what it is but if any one knows what im talking about please help..

thanks

What is the best software for my computer as far as antivirus goes???vincent

there is not a best all in one but i use avg combined with advanced windows care theyre both free online ...... its probably security center jus disable it...........e mail or im me for further assistance

What is the best software for my computer as far as antivirus goes???adware remover

Avast Home Edition is a very powerful antivirus solution with built in worm protection. The best thing is it's free. It's very tough on viruses and have almost all the features of a paid antivirus software.

Download it at:

http://www.avast.com/eng/download-avast-...

Note:- Before installing Avast you have to uninstall all the existing antivirus software.

Follow these steps after you installed Avast.