Try to perform the following recommendations: check that you have not locked the application plug-in in your browser disable all extensions to the browser (you need to put in the address bar chrome://extensions/ (for Google Chrome) or about:addons (for Mozilla Firefox)) remove Ubar (it can be called VideoPlugin) make sure that 4game-service is running (you should go to the "Start" menu -> "Control Panel" -> "Task Manager" -> "Services") if you have the Avast antivirus, remove it and reinstall the 4game application if you do not have an anti-virus, check your PC with Dr. Web Cureit utility if you have a 64-bit browser, you should install the 32-bit one, such as Google Chrome. If these recommendations did not help, create a ticket to support setvice or ask a question in technical section on the forum. Please indicate that all of the recommendations in this article have been done. Please attach the Process Diagnostic, which can be obtained via Check4Game.