PROBLEM: Programs using the FTDI Driver for the XPV interfaces may report and error that the FTD2XX.DLL cannot be found or has a problem. This may be due to the file not being installed in the required Windows folders.
SOLUTION: Check to ensure that there is a copy of the dynamic link library FTD2XX.DLL in both these folders:
C:\Windows\SysWOW64
C:\Windows\System32
FTD2XX.DLL can be downloaded from HERE