[CovKid66]

Some more registry keys....

SKTools5
Registration:
HKEY_CURRENT_USER\Software\sk\tools
"startup"=dword:nnnnnnnn [your your registration code here]

SKTracker
Registration:
HKEY_CURRENT_USER\Software\sk\tracker
"info" key
Settings (rules):
HKEY_CURRENT_USER\Software\sk\tracker
"rules" key

Spb News 2.0
Registration:
HKEY_CLASSES_ROOT\CLSID\{0A2D78B4-60D1-459D-AB3F-4D871E313E4A}
"ADODB"="your registration code here"
Settings:
HKEY_CURRENT_USER\Software\Spb Software House\Spb News

Spb Insight (version prior to Spb News 2.0)
Registration:
HKEY_CLASSES_ROOT\CLSID\{0A2D78B4-60D1-459D-AB3F-4D871E313E4A}
"ADODB"="your registration code here"

Spb Wallet 2.0
Registration:
HKEY_CLASSES_ROOT\CLSID\{A79D1B0D-2F6A-4E7E-AF94-5EEBC8BFD684}
"2_SIPFlag2"="your registration code here"

Spb Mobile Shell 3
Registration:
HKEY_CLASSES_ROOT\CLSID\{B8D93F90-8931-43BB-AA6D-0F0AE84A6200}
"SIPFlag2"="your registration code here"

SprintDB Pro 4.0
Registration:
HKEY_CURRENT_USER\Software\Kaione\SprintDB Pro\Config
"RegistrationCode40"="your registration code here"

Hearts (sorry, still one of my favourite 'old' card games)
Settings, including player name:
HKEY_CURRENT_USER\\Software\Microsoft\Hearts