: MetaQuotes regularly updates its platform encryption. Any open-source tool published on GitHub quickly becomes obsolete as new MT4 builds roll out.
A developer loses their original .mq4 source code due to a hardware failure or lack of backups and needs to recover their own work from the compiled executable.
If you lost your own source code:
The better path is honesty: pay developers for source code, use open-source EAs, or learn MQL4 yourself. Your trading account, legal standing, and computer security will thank you.
Even if you ignore the legal issues, security is a major concern: