WHAT DOES EX4 TO MQ4 DECOMPILER SOFTWARE MEAN?

One example is, While the EX4 file extension shares many of the very same letters as Other people like EXO, EXR, EXE, and E4A, none of those formats have anything to try and do with EX4 files. Seeking to open Individuals files in MetaTrader will most certainly lead to an mistake.600USD beforehand for just one EX4 decompilation? Seems like scam for