Hi @korol1974, try the following:
- Uninstall the Plugin (in control panel>uninstall) then delete the containing folder placed in: C:\Program Files (x86)\Battlelog Web Plugins
Fix for Mozilla FireFox:
- Install the latest plugin
- go to Addons (Firefox menu) -> Plugins
- Search for ESN AND Battlelog
- Set both to: always activated
- close firefox, start it again and it should be fine then
For Chrome:
-Clear Browsing Data ( Settings/Privacy )
-Reinstalling the plugin by logging to Battlelog again
-In the search bar typing the following command: chrome://plugins
-Checking the box Always allowed for ESN Sonar API and Battlelog Game Launcher
-Restarting the Browser
-Log back into Battlelog via Origin (Play from Battlefield3 icon )
-Join a Server
For Internet Explorer 11
-Restart IE 11
-From Internet Options/General tab -> Clear Browsing data -> Delete button
-From Security tab, slide the bar to bottom -> Medium Protection
-In Trusted Sites -> .battlefield.com should be added along with and battlelog.battlefield.com/bf3/
-It will require a System Restart in order for the 7 step to be applied.
-Log in again into Battlelog and download again the plugin.
-Join a server.
Solution from ebastien http://answers.ea.com/t5/Battlefield-4/Plug-ins/m-p/2039373#U2039373
