Jul 22, 2014 · In the registry, expand HKLM\Software\Microsoft\WindowsNT\CurrentVersion\ProfileList and find the key named with the SID of the desired user. Right clicking on the key, export to the desktop (you’ll need this in the next step). Right click on the folder and delete the key. Using Notepad, I open the registry export from the previous step. Nov 01, 2001 · Working with Keys and Values. The following sections show how to use Regedit to search, add, change, delete, and print configuration data. Before continuing, heed this advice: Back up the Registry before making changes that might harm the computer. As is the case with most Microsoft programs, Regedit provides numerous ways to access each feature.