Most of people are used to set a login password on screen or startup to prevent their computer from unauthorized access. However, one of most frustrating things is that you lost your Windows password. It is understandable that if you didn't created a password reset disk before you got locked then it can be a very annoying and pedantic situation since you won't be able to reset the password for your computer or laptop. In that condition, one of the choices will be to re-install operating system all over again. But believe it or not, this will end up doing much more damage than helping you since it will remove all the important data and documents from your primary disk beyond recovery. So unless your computer contains no important files and information, re-installation of OS is not recommended.
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