: Locate FFEDITC_UNICODE.EXE and its associated rule files inside your main MSTS installation folder. Copy those files directly into your active SFM25 directory so the program can utilize them locally without breaking.
If your MSTS install is running sluggish, if you experience "shape freezing," or if you want to push your GPU to actually work, downloading and mastering MSTS Shape File Manager 2.5 (the "Hot" config) is the single best hour you will spend improving your simulator. msts shape file manager 25 hot