Windows firewall is running and i'v installed a good antivirus software. pls do i need an inter

Sounds like you have it covered with your firewall and antivirus, I would recommend downloading the advanced windows care to keep you system in good running condition,

This is very good tool and I recommend it to keep your pc in good running condition,

Windows Advanced Care , This tool will keep you computer running good and you can see the startup programs to help you understand what runs in the startup programs; It also imunizes your computer against the attcks we face each time we go on the internet Just run it once a day and your worrys are much less,

http://www.download.com/Advanced-Windows...

Here is a free and very good antivirus tool called avg free,

Note; You should never use more than one antivirus on your computer at a time,

http://free.grisoft.com/doc/downloads-pr...

Here is the PC Tools free antivirus and is a very good antivirus

Note; You should never run more than one antivirus on your computer at a time,,

http://www.pctools.com/free-antivirus/

The free edition of spyware doctor, The best for removing spyware and malware and its free,

http://www.download.com/Spyware-Doctor-S...

Here is the adaware se free personal and is a very good spyware removal tool

http://www.download.com/3000-2144-100459...

Here is an antispyware software called avg free antispyware, It is a totally free software and it works very well,

http://free.grisoft.com/doc/downloads-pr...