Update Version 1455 of MetaTrader 4 – How Traders Should Handle the Changes

On January, 2026, MQL officially released MetaTrader 4 build 1455, marking another important update for traders worldwide. Although the announcement mainly mentioned security bug fixes, the impact of version 1455 goes far beyond simple maintenance. This update significantly affects how Expert Advisors (EAs) and Indicators operate, especially unlocked products.

What’s New in MT4 Build 1455?

With the release of MT4 terminal 1455, MQL has strengthened product protection mechanisms. Many previously unlocked EAs and Indicators can no longer function properly on this version unless they rely on DLL integration. In the past, traders preferred non-DLL EAs due to their simplicity and similarity to official products. However, build 1455 has effectively closed many security loopholes, making it harder for unprotected or cracked products to run.

Product Protection vs. EA Scams

While MQL is tightening protection for developers, it still cannot fully shield traders from EA scams. Issues such as fake trading histories, manipulated performance results, and overhyped products remain common. This raises a critical question: How can traders identify genuinely profitable EAs before making a purchase?

How to Handle MT4 Build 1455 Issues

Here are several practical solutions for traders affected by the MT4 1455 update:

• Use an older MT4 version (such as 1415) and overwrite the new build. This can work temporarily, but brokers may eventually stop supporting outdated versions. New updates already restrict versions below 1455.
• Use EAs updated for build 1455, or send your existing EAs to trusted developers for compatibility upgrades at a reasonable cost.
• Run EAs with DLL support, which remain functional but require extra setup and security considerations.
• Use EAs with source code or purchase official products directly from the original authors.

Conclusion

Ultimately, patience is key. If an EA or Indicator consistently helps you generate profit, the best approach is to buy it directly from the author. Unlocked products should only be used for small-scale testing to verify performance, not as long-term trading solutions. With MT4 build 1455, transparency and legitimate software are more important than ever for sustainable trading success.