In this version, the Meta editor has the problem of writing compiled files. On November 12, Metatrader got a new version. You can check this if you press in Metatrader (mt4): File/Open File Folder, and then in MQL4 folder, you press Properties, then go to Security /Advanced and see write permissions.ģ) Meta editor has a bug. If you see that the MQL4 folder allows the system and administrator to write files, this is not a problem. (in my case, I have 10GB free.)Ģ) Folder permission doesn’t allow writing. I created an expert advisor EA, and after compiling, I got: “ex4 write error”.Īfter that, I tried to compile many indicators and EAs, and all of them showed the same – ex4 write error.ġ) Your disk is full, and you can not write files. After 7 days – the problem is solved and fixed!Īfter I upgraded Windows 7 to Windows 10, I started to use Metatrader.
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