Ccleaner and Mirc installers blocked

Ccleaner 5.50´s installer ( gets blocked no matter if I dl it from or from No idea if with a reason or not.

Same thing with mirc 7.53 installer.

In my case, CIS tell me that ccleaner have a malware… and ask to clean or ignore, if i punch the clean botton, the installer is erease .

sorry for my bad, bad English