[2. installation] What if I am using MT4 in /portable mode and the installation fails?

If you are running in /portable mode then the installer does not find your data folder. In this case:

  • You can indicate in the installer during the installation process the address of the MT4 data folder where you want to install the programmes. To open the data folder, in MT4 select File -> Open the data folder.
  • If you have left the default folder on the desktop in the installer then you can copy files from it to the Data Folder yourself.