Unable to install\upgrade to latest ccsetup563, below error occurs in event log. CCleaner setup starts then stops after finishing "installing" files. No folder created in Program Files. Able to install ccsetup561 with no issues. Appears BitDefender utilizes atcuf32.dll file.
Windows 10 1903
Faulting application name: ccsetup563.exe, version: 5.63.0.7540, time stamp: 0x5682fc79
Faulting module name: atcuf32.dll, version: 1.28.222.0, time stamp: 0x5d874f64
Exception code: 0xc000041d
Fault offset: 0x00002d8e
Faulting process id: 0xbc0
Faulting application start time: 0x01d58f790b1561e8
UPDATE:
Able to install ccsetup563_slim which updated 561.