Same here. CCleaner crashes on exit and creates a .dmp file in the program folder. Here is a brief of an analysis of this dump.
FAULTING_IP:
CCleaner64!CryptoPP::DetectX86Features+20aa70
00007ff7`3413d9c0 488b4010 mov rax,qword ptr [rax+10h]
EXCEPTION_RECORD: (.exr -1)
ExceptionAddress: 00007ff73413d9c0 (CCleaner64!CryptoPP::DetectX86Features+0x000000000020aa70)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 0000000000000000
Parameter[1]: 00007ffdc99282d8
Attempt to read from address 00007ffdc99282d8
DEFAULT_B