Check the Iron Cross forum. Anyway, the correct order of installation should be:
- Install DH
- Patch DH to 1.01 or 1.01.1
- Install IC (DH version, pointing to DH main folder)
- Patch IC to 1.01
- Patch IC to revision 7
- Install DH
- Patch DH to 1.01 or 1.01.1
- Install IC (DH version, pointing to DH main folder)
- Patch IC to 1.01
- Patch IC to revision 7