Failed to download historical data

 
Good Afternoon

Could someone please tell me why when I want to download data from the records center mt4, I list the errors listed below and how it could solve.

In customer support and fxcm alpari give me no solution ..

at FXCM

2014.03.15 03:18:33.015 HistoryCenter: can not connect to history.metaquotes.net: 80

in Alpari

2014.03.15 03:25:09.999 HistoryBase: not enough memory 'EURUSD1' [4961016 bars]

2014.03.15 03:25:09.999 Memory handler: can not allocate 297661440 bytes of memory

Of course I would be very grateful

Alfred