i experience a really frustrating problem. i'm using the mt5 for a while now. And i"ll tried to download the MT4 platform from the website. Guess what happens.
I installed it and the mt5 trader appears. So i tried again. And the same thing happend. Can somebody tell me whats going on? Am i the only one who experiences this?
Have a search of the forum and find out
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i had to re-install my Win10 and got same problem.
i tried my old installation files from Thinkforex and FXCM. both of them installed and turned to MT4.
then i tried my old installation file from Oanda. it worked well and generated a MT4.
luckily i made a back up folder for all my C disk files excluding Windows folder. thus i still have old Oanda/Think/FXCM folders and files under \program,
and i still have price data files under \users\app data\roam\metatrader
i hope you also have saved a copy of your C disk files.
i copied these folders back to C disk (to their original places). created icons on desktop manually. all three MT4 terminals now works well.