Win32::OLE operating in debugging mode: _Unique => 1 Win32::OLE(0.1709) error 0x80040154: "Class not registered" at C:\Users\boss\VSS-analysis\accessvss.pl line 4. eval {...} called at C:\Users\boss\VSS-analysis\accessvss.pl line 4 Can't call method "Open" on an undefined value at C:\Users\boss\VSS-analysis\accessvss.pl line 9.