The scene group released a "Fixed EXE" for version 1.03 back in the day. This remains the gold standard for disc-less play for the original executable (non-Steam/GOG version).
Look for results from reputable modding or gaming archive sites like WSGF (Widescreen Gaming Forum), which provides detailed technical breakdowns on how to apply the file. Pro-Tips for Installation: kotor nocd v103 fixed exe by fairlight work
: It removes the SecuROM disc-check legacy code that often triggers startup crashes or "insert disc" errors, even on digital versions like Steam. The scene group released a "Fixed EXE" for version 1