An SSIS error: 64-bit and Excel-2003 conflicts

Problem:

Environment: Window 7 - 64-bit, VS 9.0 64-bit

Destination: Excel 1997-2003 file

Error when running the package:

"SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER.  The AcquireConnection method call to the connection manager "

Solution: 

Make Run64Runtime to False