Decompilers are notoriously version-sensitive. A decompiler that works perfectly on an EX4 from build 40432 is highly likely to fail on a file compiled with a newer MT4 build. This is why users specifically search for tools tied to a particular build number; they have identified a window where decompilation is viable.
If you're a trader, developer, or anyone who works with MetaTrader and ex4 files, I highly recommend giving this tool a try. It's saved me a significant amount of time and effort, and I'm confident it can do the same for you.
For anyone serious about algorithmic trading, the far more rewarding and sustainable path is to master MQL4 programming yourself. This approach allows you to build, own, and protect your trading logic without relying on the questionable world of EX4 decompilation. Ultimately, your time and money are better spent on original creation, not on reverse engineering.
Do you of the file you are trying to convert?
If you own an EA but lost the source code, reaching out to the original creator or vendor is the best course of action. They can typically provide you with an editable copy or a custom update.
It looks like you're referencing a specific tool or search term: — likely related to MetaTrader (MT4) decompilation.
If you bought a commercial Expert Advisor, the license agreement almost certainly bans reverse engineering.
Do you own the of the file you want to change?