hi i would like to ask some experts here in hardware and programming about yesterday my acer net book which running by pirated windows xp (which is original software is LINUX) cannot start.it appears on screen like this: windows could not start because the following file is missing or corrupt: <windows root>/system 32/hal.dll. please re-install a copy of above. But i dont i have any copies of windows xp software.. what is the best solution for this and what is the main cause? hope you help me..thank you so much