After registration, backup the next registry keys:
x86 OS:
CODE
[HKEY_LOCAL_MACHINE\SOFTWARE\Licenses]
"{0820063A12D4A77BA}"=
"{I820063A12D4A77BA}"=
[HKEY_LOCAL_MACHINE\SOFTWARE\WINner Tweak Software\Smarty Uninstaller]
"user"=
x64 OS:
CODE
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Licenses]
"{0820063A12D4A77BA}"=
"{I820063A12D4A77BA}"=
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\WINner Tweak Software\Smarty Uninstaller]
"user"=