10.2. Task 10.2: Implementing Last Known Good Configuration

Last Known Good Configuration (LKGC) is a boot-up option from the Windows Advanced Options Menu. It rolls the current Registry settings back to the state of the Registry at the last successful logon. That successful logon represented a "known good" Registry. If the system booted and the logon service was functional enough to authenticate you, the configuration recorded in the Registry must have been good.

There are times when the LKGC will correct the problem, and there are times when it will not. The LKGC only restores the Registry to its earlier state. It does not make any changes to the filesystem, other than those related to the Registry files. It does not restore deleted or overwritten ...

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