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launch of mtuninstall.bat - is this legit metatrader 5?

Hello, for a few days now, I get several times a day this alert from my antivirus system and I am wondering if this is legit or not (infected by a backdoor, virus) ? this file is mtuninstall.bat located in C:\Windows\Temp. it's automatically created and when we have a look inside there're those

Apply base class pointer to child class

Hello, I am struggling with some OOP coding in MQL5. 1. Besides I am asking myself if I should used the standard library (the expert classes) because I am not seeing many people using them ? Are there recommendations (using DoEasy library or make my own ?) Thanks you for your replies 2. before

what log system to use ?

Hello all, new to this world (trading, development on MQL5,...), I would like to know which LOG system you guys are using : no logging at all the default "Print()" or "PrintFormat()" method homemade simple function file (what did you put inside?) a more complete library I have tried Log4MQL and I