I have been using Windows 2003 for two years, now I want to use Windows 7 in my computer simultaneously. But after installing Windows 2003 I can not Install windows 7 and vice versa.  How I can solve this kind of problem?

I want my computer will be trouble free computer for long time. 

How to keep up my computer from trouble free for long time. 

Please tell me which step should I take or I want a step by step solution for this problem.

I have a computer. Now I want to use internet by  my Nokia N70 mobile.

Is it possible or not . If possible  describe which software and hardware will be need.

And how can I set up the software or hardware ?

I want to voice chat from  my computer using internet.

But I do not know which software is need and which hardware is need.

I want a complete solution for this problem or how can it possible ?

I have a computer.

If anybody wants to touch my computer then the computer shocks them.

I do not know why.

I want to solve this problem.

Which method can I apply to solve this problem and how?

How can I easily install web Browser perfectly please describe me?

Thanks in advance.

I used folder hide software free version for my computer and I hided  my valuable file with this software .

But now I am facing a big problem that is the file is not visible .

How can I recover my file and solve this problem ?

Viruses attacked my computer and my valuable file is destroyed. Now I want to remove virus from my computer and recover my valuable file. Is it possible or not. If possible give me the method. I do not want to install windows XP.

I set up a password for my computer.

When I want to open my computer than the computer wants password But I have forgotten it.

In this situation I want to solve this problem .

How can I solve this problem ? 

When I am installing Yahoo Messenger in my computer then I am facing a problem that is after 60% or 70% installing its appear installation unsuccessful.

Try again. 

I want to install Yahoo Messenger.

How can it possible?