What is Windows Safe Mode?

Safe Mode (for Windows) is a software mode that enables users of Windows 95, 98, ME, 2000, XP,Vista, 7, and 8 to enter an altered version of Windows and correct any problems that may be preventing them from entering booting up normally. Safe Mode differs from the normal operating mode in that Windows uses default drivers and settings upon startup. Below is an example of what the Windows boot menu looks like with Safe Mode selected.

safe-mode-ex