Facing the same isseue. "'Impossible to connect to OANDA trading system". Tried the above option but did not work. Does anyone have success in fixing this error?

I was using Dell latitude 2 core i7 with 8 GB of RAM and currently looking for to upgrade my laptop and my primary use is MC. I would appreciate if you can recommend a better configuration for optimal performance. My budget is between $1500 and $2000.