Open your Windows 'Start' option and search for 'Registry Editor'
Once the Registry Editor is opened, it will look like this:
From here, you want to follow the following drop downs:
Ø HKEY_LOCAL_MACHINE
Ø SOFTWARE
Ø Microsoft
Ø Windows NT
... Profile List
Ø Current Version
This will list the Profiles. To delete these you Right Click and Delete. You should ONLY delete the profiles that read with the long digit names. E.g (S-1-5-21-65439248-12384-569854)
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