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speed problems when backtesting everytick

I'm working on a multi-currency EA that trades all 12 currencies. Testing it on open prices of, say, M5 for year time is a pain, but things still move. Now, in order to prepare it to the champinship uploading I started testing it on every tick (a year period again), BUT nothing moves and it seems it

installation problems terminal64.exe

I'm having severe problems installing the platform on windows 7. Downloading and initial instalation go fine. Then I register to a demo account OK. Now the program wants to install a newer version and I approve. Nothing then happens and when I double click the Metatrader 5 icon I get the following