Zonker / Profile

I was recently backtesting an EA I wrote for someone else, when I discovered it was producing odd results. I was backtesting on H1 using ' Every tick ' model, it seems to produce impossible ticks, here is one result: And here is the M30 chart (EURUSD

I'm running MT4. I find it locks up if there is to much data in the history. I have aproximately two years of M1 data for each currency pair, the history files are ~30MB each. If I attempt to open mt4 with two M1 charts open -> no problem. If I