The weirdest MT5 error ever!!!!!!

 
This is the weirdest error I've ever seen on a MT5 platform. I cannot do any backtesting anymore!!!! Could please someone tell what the hell is going on? :(
Files:
00.png  51 kb
 
Could be bad RAM. Boot from a rescue disk and run a mem tester.
 
Sorry, what do you mean by 'bad ram'?
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