Basic Components:
CRYSTL32.OCX
Before you begin registering Crystal32.OCX confirms these files are available on your PC. These are the dependencies being talked about.
ADVAPI32.DLL
COMCTL32.DLL
COMDLG32.DLL
CRPE32.DLL
GDI32.DLL
IMPLODE.DLL
MFC42.DLL
MSVCRT.DLL
MSVCRT20.DLL
OLE32.DLL
OLEAUT32.DLL
LEDLG.DLL
OLEPRO32.DLL
USER32.DLL
VERSION.DLL
These files should be in c:/windows/system32.