reinstallation

I am using Windows 7 Professional, Office 2007 Home and Student and Kaspersky Internet Security 2011. Of late, my system is behaving peculiarly. So, I have decided to reformat and reinstall. I would like to know if I have to activate all the softwares after reinstallation? If so, should...

I had to reinstall XP, but unluckily there was a power outage and I had to shut it down in the middle.When I tried later, it gave a message that 'setup is being restarted...' and then there was blank screen (with the mouse) and the reinstallation did not proceed.I had to make a clean install of...

The "Folder options" is not available from either Tools Menu or Control Panel in my PC running WinXP & Office 2003. Upon reinstallation, it appeared but went away again. How to rectify?

i am facing a serious problem in XP sp2 whenever i put the computer on, the computer automatically rebooted. i presumed it to be a virus and formatted the disk. i installed Xp again but the problem recurred just after reinstallation. is it a corrupt hard disk or a bad sector. pls help thnx

The monitor shows a blue colour. Even upon reinstallation teh problem persists. The DOS text are shown as blue coloured font upon black background as default. Even in windows everything is upon a blue screen. Reinstallation of dispaly driver didnt help. Degauss failed to bring any effect. Plz help.