FXOpen would like to inform you that the recent MT4 Build 600 and subsequent versions upgrade resulted in some important changes to the terminal.
First of all in order to ensure the safety the data structure has been changed - now all additional MT4 files are stored in the terminal data folder at C:\Users\User_account_name\AppData\Roaming\MetaQuotes\Terminal\Instance_id where:
For the quick access to the data folder click menu File → Open Data Folder in MT4 terminal or in MetaEditor.
With the upgrade to the new version the files are copied in the terminal data folder. Please notice that subfolders and files contained in subfolders are not copied automatically but can only be transferred manually.
The files are stored in the following folders:
Also the MQL4 language has also been modified in this latest build. All old EX4 files are supported and should work in the new MetaTrader 4 terminal. But we recommend you to test EAs and other custom files in demo environment first.
Should you have any questions, please contact FXOpen support service.