SigmaForex Doesn't Have Any Errors

Strange And unbelievable!
Meta Trader 4 has the option that you can enter more than type of account for different brokers through the same platform.
For Example If You installed SigmaForex Platform, you will find in your drive C:/ the following Pass: [C:\Program Files\MetaTrader – SigmaForex]
If you installed another Meta Trader 4 for another broker a conflict can be occurred because 2 Meta Trader 4 but for different Brokers.
Let's Continue our example with another broker like FXCM or Interbankfx or Swiss Global Broker. All of them are using Meta Trader 4 as trading station. Let's Install FXCM Software.You will find this pass in your Drive C:/ [C:\Program Files\FXCM Trader 4]
N.B: Some Versions of windows copy the same folders while installing the same version of the software .

That You may find FXCM installed inside SigmaForex & this one from the disadvantage in Meta Trader 4 & Meta Quote published this issue in their FAQs to be available for Traders to solve the issue.
The Solution is to open the platform that you are using e.g.: SigmaForex. Then Open A folder called Config. [C:\Program Files\MetaTrader - SigmaForex\config]
You have to erase All SRV files for other brokers & just leave SigmaForex-Demo.svr and SigmaForex-live.svr

And here's the post of the Meta quote from their website:
"Client terminal allows you to connect to any MetaTrader 4 Server. If you connected to another company's server from your client terminal, the parameters of that connection were stored in a special configuration SRV file in the "\MetaTrader 4\config\" folder of the client terminal.To remove foreign servers from the server list of your client terminal, just go to the "\MetaTrader 4\config\" folder of the client terminal and delete the unn.