Modern MetaTrader builds (Build 600 and higher) use a completely different compilation method. They generate optimized machine instructions rather than simple byte-code.
Decompilers for MT4 are not simple text extractors. They must: ex4 to mq4 decompiler 4 0 432 16
The 4.0.432.16 decompiler cannot decompile EX4 files created with MT4 Build 600 or higher. It is effectively obsolete for any modern trading software. Risks and Safety Concerns Modern MetaTrader builds (Build 600 and higher) use