my platform is stack and cant show real time prices and charts,i have uninstalled the app and reinstalled but the problem persists

[Alphacheck_01]

my platform seems stck and cant show real time price charts even after reinstalling the app the problem persists kindly help

[Sergey Golubev]

1. You did not connect to the broker's server (means: you did not coonnect Metatrader to the trading account), 
or
2. Your demo account was expired, and you need to create the new one (if you want) - contact with the broker for more details in this case.