I had Arch linux on my computer and needed Windows for gaming; Windows installs its own boot loader, so I had to re-install grub. The following is what I did to restore grub.
I suppose that you know what you’re doing! For example you need to know in which partition linux is installed.
About a month ago I decided to try a new linux distribution. I was using Ubuntu and was even waiting for Ubuntu 12.10. I chose Arch Linux for testing, and Installed it on my netbook. I really liked the installation process! Then I chose Xfce as Desktop Environment. After a few days I decided to move from Ubuntu to Arch Linux.
My new project, ImgViewerPlus, is a Firefox add-on that adds zoom, rotate and light switch capabilities with smooth animations to Firefox image viewer.