: Reach out to the original developer for the MQ4 source code or a version update [ Study Open Source : Use open-source projects on platforms like MQL5 community to find similar logic for educational purposes [ Use iCustom
If you lost your code, check old emails or VPS backups; often, a version of the MQ4 is hiding in a "MQL4/Experts" folder you forgot about. Final Verdict ex4 to mq4 decompiler 50 1 exe link
Marcus stared at the flashing red notification on his trading terminal. “EA expired. Contact developer.” : Reach out to the original developer for