My brother Walid : for 23 minutes during the installation of windows, installation takes some time, because at that stage is the installation of packages net Frame Work and Installation times vary depending on the strength of your computer For my dear one piece Following the merger of the new package 4.1 on Windows XP clean untouched was that the same problem, namely: Theme is the default Classic I can not open turn off windows button at start menu I can not open add remove programs icon in the Control Panel please , help me