Hello, 

This might sound ridiculous, but I have installed FD and am struggling with
an error. 

When I try to run FD, I am getting the following error message:

C:\FD>fd
FrontDoor; Mailer 2.33.mL; MultiLine
Copyright 1986-2001 Definite Solutions HB; All rights reserved.

"C:\FD": Path not found.

Please use FDSETUP to correct.

The FD environment variable exists, it's part of PATH and the directory is defi

I am running Windows XP.

--- Mystic BBS v1.12 A37 2017/12/23 (Windows/64)