Disable the Autorun functionality in Windows XP

1) Start > Run > Gpedit.msc
2) Computer Configuration > Administrative Templates > System
3) Settings > Turn off Autoplay > Properties.
4) Disable Autorun on all drives
5) Restart

Remove Windows Messenger

Start > Run

RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove

Remove Multiple Versions of Microsoft .NET Framework

.NET Framework Setup Cleanup Utility automatically removes all versions of .NET Framework.

Reinstall Grub Bootloader After a Windows Installation Removes the MBR

1) Boot off the LiveCD
2) If you wish to edit the grub configuration file do it so by

sudo gedit /boot/grub/menu.lst

3) Open a terminal and enter

sudo grub
find /boot/grub/stage1

4) This will return a location. Whatever was returned use it in the next line:

root (hd?,?)
setup (hd0)
quit

5) Reboot without the LiveCD