BF3 Game not starting

Please check following workarounds and keep us updated:

For Chrome:

1. Uninstalling the Plugin then deleting the containing folder placed in: C:\Program Files (x86)\Battlelog Web Plugins
2. Clear Browsing Data ( Settings/Privacy )
3. Reinstalling the plugin by logging to Battlelog again
4. In the search bar typing the following command: chrome://plugins
5. Checking the box Always allowed for ESN Sonar API and Battlelog Game Launcher
6. Restarting the Browser
7. Log back into Battlelog via Origin (Play from Battlefield4 icon )
8. Join a Server

For Internet Explorer 11

1. Uninstalling the Plugin then deleting the containing folder placed in: C:\Program Files (x86)\Battlelog Web Plugins
2. Restart IE 11
3. From Internet Options/General tab  -> Clear Browsing data -> Delete button
4. From Security tab, slide the bar to bottom -> Medium Protection
5. In Trusted Sites -> .battlefield.com should be added along with battlelog.battlefield.com/bf4/ and battlelog.battlefield.com/bf3/
6. It will require a System Restart in order for the 7 step to be applied.
7. Log in again into Battlelog and download again the plugin.
8. Join a server.

Cheers

Basti