Q1: I have Linux and Windows installed, but I can't boot Windows anymore, I tried some things with the bootloader but it doesn't work. Is it possible to reinstall Windows without removing Linux?

Q2: I have an ATI Radeon 9600 Pro, and everything graphical runs slow on my computer now (256mb RAM, 2.66 Ghz) I tried to install an ATI driver but it still doesn't work, that's why I can't play windows games (installed with wine) like Warcraft III properly (If I move the mouse ingame, it lasts 5 seconds untill the mouse is on the new position!)

Do you have a solution for these Questions?