CCleaner Won't Update

When I try to update CCleaner I get the message

CCleaner could not be updated

0x6 The handle is invalid

Any suggestions?

http://forum.piriform.com/index.php?showtopic=43540

and

http://forum.piriform.com/index.php?showtopic=42770

I have found a similar case, maybe it works

http://wdc.custhelp.com/app/answers/detail/a_id/10037/~/error%3A-arksvc_startservice%28%29%3Athe-handle-is-invalid-%280x6%29-occurs-while

deinstall ccleaner, delete the folder of ccleaner if it is left. restart. try to install the new version. (as mta says in #42770)