MetaTrader Australia

You receive the “Trade context is busy” message when you try to process two or more orders at the same time. If you have placed a trade and do not wait until it processes completely and then try to place the same trade or a different trade, the commands go into a loop and you [...]

When placing orders from charts there is no need to remember which type of pending orders to use.

To place a pending order via a chart just right click with mouse on the desired point in the chart where you would like to place the order and select the “Trading” command in the menu. You will [...]

If you have several trading accounts, you are able to create a special profile for each account.
When you switch between accounts, the profiles will be opened automatically.
To create a profile, you must save it under the name which is exactly the same as the account number.

Source: http://articles.mql4.com/189

To modify a working order or create a new Stop Loss and/or Take Profit order, double-click on one of these fields in the order line.

When the order window appears, enter the necessary values.

Source: http://articles.mql4.com/189

Press F10 to open the Popup prices window.
To enable the popup window to be “Always on the Top” right mouse click in the popup window. This will enable you quotes while working with other applications.

You can also select “Properties…” in the right click menu of the popup prices window, which will allow you to [...]

You can check the price range and the number of bars between two points using the ruler.
To do so, select the “Crosshair” object, click with the left mouse button on the first point in the chart and drag the cursor to the second point.

The first number (23) is the count of bars, the second number [...]

If news is disabled your internet traffic will be reduced.
To disable news simply open the “Tools -> Options” menu and un-tick the “Enable news” field in the “Server” tab.

Source: http://www.metatraderglobal.com/479/metatrader-tips-save-bandwidth-disable-news/