The image on top shows you what the error message can look like. Note that it may say something different than what you are seeing here
UNABLE TO RUN CRYSTAL REPORTS ON YOUR 64 BIT COMPUTER?
The reason for this is, because the Taxi Accountant and the Taxi Fleet Manager has not yet been designed for the 64 bit operting system. We are still working on it. For the time being, download:Download the Crystal Report and install it for the 64 bit machine. Click here