Download the linked file and extract it to C:\Program Files\Wasp Technologies\BarcodeMaker.
https://dl.waspbarcode.com/wasp/supportfiles/kbimages/barcodemaker/cruflwasp.zip
Go to Start > Run, and enter this command:
regsvr32 "C:\Program Files\Wasp Technologies\BarcodeMaker\CRUFLWasp.ocx"
It should respond "DllRegisterServer in C:\Program Files\Wasp Technologies\BarcodeMaker\CRUFLWasp.ocx succeeded." The functions in Crystal will then be available under the Visual Basic UFL folder.
Some users have reported that after the above steps, they get a new error "File not found: bmxl32.dll" Should you receive this error, copy the bmxl32.dll file from C:\Program Files\Wasp Technologies\BarcodeMaker to c:\windows\system32 and c:\windows\crystal.