an error occured during the registry scan procces

hello, i’m a new member.
can someone tell me why i got the message above after Avery registry scan?
i have a xp pro sp3 version 2002. i tried to reinstall is several times, what als can i do?
thanks

Hello,

 Your version of Microsoft Windows seems like an unoffcial one. SP3 of Windows XP was released in 2008. Comodo System-Cleaner was not tested on this version of Windows and problems may appear.

However can you post log files or crash dumps, if any? We will investigate your problem.