Michael Cooch from Everon wrote an interesting article called “Stop! The 8.5 Perfectly Avoidable Things You Do To Mess Up your Computer!” Here they are:

• You open email messages from strangers
• you open or save files to your computer even though they are a program or fale extension you do not recognize
• You visit websites that you know you shouldn’t visit – at least not while on your work computer
• You download free programs that tell you where to shop, what the weather is going to be, and what your horoscope is this month
• Your give your work email address to anyone and everyone
• You sit your drink right next to your computer while working
• You keep 50+ thinks open on your computer at once
• You kick, bump or drop you computer
• (.5) You bought a cheap computer in the first place and now expect it to perform miracles