What Advanced settings is un-safe to mark ?

Hey there ! - Well I just want to ask: It it un-safe to mark the Advanced settings, who cCleaner give a warning about, if I try ?

I am not really sure what happens those places, where cCleaner make a sound !

Can you please explain it to me, thank you ...

:rolleyes:

Greetings from J?rn Rudolph in Copenhagen, Denmark

http://www.piriform.com/docs/ccleaner/ccleaner-rules/windows-tab/advanced-windows-files

Explains what every option in Advanced does.

;)

Thank you cookieeater