SysPrep.exe or Microsoft System Preparation tool is used by manufacturers in the process of replicating operating systems onto multiple computers. This automated deployment process prepares computers for shipping to customers.
Problems arise when the SysPrep mini-set-up wizard is not disabled for new users and thus, it pops up every time the computer starts up. Security identifications (SIDs) and other configurable items are continuously wiped-out due to this problem. To remove SysPrep from your registry, you will need to delete other related entries. Proceed with caution when editing keys in the Registry Editor utility and perform backups of the keys you will edit, as recommended by Microsoft.
- Skill level:
Click "Start" and "Run." The command prompt opens up. Type "Regedit" in the text field, and click "OK." The Registry Editor utility will open.
Expand the "HKEY_LOCAL_MACHINE" hive by clicking the corresponding "+" sign on the left pane's tree directory. Continue expanding the "SYSTEM" and "Setup" subfolders.
Right-click the "Setup" folder and choose "Export" from the drop-down menu. Choose a temporary location where this key should be saved. This export process makes a backup of the registry key you are about to edit.
Delete only the entries related to the SysPrep tool by right-clicking each and choosing "Delete" from the drop-down menu. The valid entries that should remain.
Include "SetupType," "SystemPrefix," "SystemSetupInProgress," "SystemPartition," "CmdLine," "OsLoaderPath" and "Default."
Close the Registry Editor utility and restart your computer.
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