There are so many softwares available for Clean Computer
Like CCleaner, Registry Cleaner etc..
For Computer Hardware Clean
use Small Vacuum Cleaner for Dust removing
The technician can use an anti static vacuum. or you can use some type of compressed air.
You should clean it everyday that you use it.
which
You should dry clean your suit everytime your going to use it , or if you rarely use it, dry clean it every six months.
Water.
You can use rubbing alcohol and fire to clean it
Removal or customisation of the firewall is an administrative function. If you need to ask the question then you should not be contemplating it. The firewall protects both your computer and, because you are clean, the computers with which you communicate.
to keep it clean you should dont use it so it stays clean.
it is easy to building computers ana there are simple games for Beginners to use computers
You should be able to use your iPod and iPod Touch on the same iTunes account on both computers.
You have to use Karamja rum on silk and use the silk on the whip and it should clean off.
i think you should use protection next time.....