The programmer can rewrite the code from scratch to create an entirely new, clean .mq4 file.

In the MetaTrader 4 (MT4) environment, files exist in two primary formats:

: Newer, community-driven projects on GitHub attempt to generate pseudocode from newer builds, though they still struggle with full logic recovery.

Thus, any tool referencing 40432 as a build number is either or misleading . Genuine decompilation attempts should focus on builds 1350–1420 , which are the most common in circulation today.

Some modified or cracked tools run hidden background scripts. Even if the decompiler appears to work superficially, it could stealthily copy your proprietary trading strategies and send them back to a remote server owned by hackers. Safe and Legal Alternatives

If you want to explore safe ways to recreate your trading tool, let me know: What or indicators does the EA use?

At best, professional services don't provide a clean .mq4 file. They provide a "recovered" version where variables are renamed to generic strings (e.g., var1 , var2 ), and all comments and formatting are lost. Why "40432 Updated" is a Red Flag