How to protect ex4 or ex5 from decompilation or any editing?

[28846173]

Hello   recently i found out someone  renamed my ex4   and ex5     he/she removed  my order send comment   and copyright   i don't know how  this   they managed to do thisi am  thinking  that my file had been decompiled or  i dont know how else someone was able to remove  my copyright and order send comment ,,, can you please guys  provide   solutions on how we can protect our files against decompilation  please or any sort of editing thanks

[William Roeder]

There has been zero proof that any ex4/5 can be decompiled since Build 600+ (2014)
          Upcoming MetaTrader 4 and MQL4 Upgrades - Big Changes Are Underway (MetaQuotes Software Corp.) - MQL4 programming forum (2013)
          Code Protection: New MQL4 language(Build 600+) decompilation protection and other crack techniques. (Macos Silva) - MQL4 programming forum - Page 2 (2014)

Don't give away the source code.

[[Deleted]]

28846173:
Hello   recently i found out someone  renamed my ex4   and ex5     he/she removed  my order send comment   and copyright   i don't know how  this   they managed to do thisi am  thinking  that my file had been decompiled or  i dont know how else someone was able to remove  my copyright and order send comment ,,, can you please guys  provide   solutions on how we can protect our files against decompilation  please or any sort of editing thanks

He may have developed his own code, check file size of your and other EA.

in mt5 you can use mql5 cloud protector to compile files