What exactally do u wanna check in the registries.
Get Registry key names from Start > Run > Regedit
Eg. to find chatlogs path in Backup Extreme! i use
code:
var Shell = new ActiveXObject('WScript.Shell');
Debug.Trace(Shell.RegRead('HKEY_CURRENT_USER\\Software\\Patchou\\Messenger Plus! Live\\' + Messenger.MyEmail + '\\Preferences\\LogsDirectory'))