instalation of new version CCleaner frozen

i have problem

instalation of this version program frozen when installing CCSystem.dll

Have you tried it again?

You may need to try installing it while in Safe Mode.

same problem in safe mode...

I take it none of these things are of any help?

http://forum.ccleaner.com/index.php?showtopic=5739

Also have you any other problems in general? Are you running XP ?