This also happens on my Vista x64 box (crashes consistently when emptying recycle bin):
Problem signature:
Problem Event Name: APPCRASH
Application Name: CCleaner64.exe
Application Version: 3.11.0.1541
Application Timestamp: 4e7b96bf
Fault Module Name: ntdll.dll
Fault Module Version: 6.0.6002.18327
Fault Module Timestamp: 4cb74dd3
Exception Code: c0000005
Exception Offset: 00000000000496d3
OS Version: 6.0.6002.2.2.0.256.6
Locale ID: 1033
Additional Information 1: c241
Additional Information 2: 9568256a8bec36f97a8af307bdb7fb6c
Additional Information 3: 952f
Additional Information 4: d47bfd006406e8b9dfb33675ed33341e