Hello, I recently formatted my computer because it does start over and I told myself I'll reinstall windows xp. when it loads the installation files and when it loads the file system startup windows it displays. a blue screen with error code 0x0000007B (0XF78D663C, 0X0000034, 0X00000000, 0X00000000). knowing this I restart my computer it says Boot Mgr nonexistent Press Ctrl + Alt + Delete. to restart. My computer is an Emachines E525. All help will be welcome.