My laptop came with recovery drive of Windows 7 64-bit. I once re-installed windows from that recovery drive. Some time ago I installed some software after that "Windows not genuine" message start appearing. Then I tried to re-install Windows from Recovery Drive. But I come to know that my Recovery Manager is not working (Pressing F-8 while starting system, and directly starting Recovery Manager from Programs) I have consulted some technical people they says that your recovery drive is corrupted. What should I do now.