error 1904 installing Crystal Reports Manually
When Installing Crystal Reports Manually some people get the following error: Error 1904.

Manually installing Crystal reports on 64x systems
The resolution to this problem can be found at the following url: http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/dcc2ae63-d169-4b3d-a89d-082cafdd32cb/