Crw32.exe has encountered a problem and needs to close,pls help

When I try to use a crystal report version 10.0 to querry from two data source at same time, I got following error:

Crw32.exe has encountered a problem and needs to close. We are sorry for the inconvenience .

I have a 8.5 version crystal report and it works just fine.

The two data source are:

MS access2003 DB and Sage Mas90 DB.

I have tried on server 2003 and window XP. none of them works.

Any help is appreciated.

Jonathan