Instructions for unprotecting MIND PROBER: 1. RENAME MP.EXE MP.XXX 2. DEBUG MP.XXX 3. E 68AC 90 90 90 90 4. E 68BC 90 90 5. E 68BF EB 09 6. W 7. Q 8. RENAME MP.XXX MP.EXE That's it. The program can now be run without a floppy in drive A: