Crystal Reports UFL
The installation program places the Crystal Reports UFL in the Windows\System32 directory. This will be suitable for most current versions of Crystal Reports and related components. However, with some older versions of Crystal Reports it may be necessary to copy the UFL (U2LUNIF.DLL) to either the Crystal Reports directory containing the file CRW32.EXE (for Crystal Reports version 8/8.5) or to the Program Files\Common Files\Crystal Decisions\2.0\bin directory (for CR 9) before it can be found by Crystal Reports.
More:
Running the sample