Battelog Plugin will not install error:
The fix: taken from 6ytyluxegh6dewen on http://battlelog.medalofhonor.com/bf3/forum/threadview/2955065218064636483/9/
Fixes for "download and install the latest Battlelog plugin"-bug:
Fix for Mozilla FireFox:
Uninstall the Plugin then deleting the containing folder placed in: C:\Program Files (x86)\Battlelog Web Plugins
- 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
Solution from ebastien http://answers.ea.com/t5/Battlefield-4/Plug-ins/m-p/2039373#U2039373
For Chrome:
Uninstall the Plugin then deleting the containing folder placed in: C:\Program Files (x86)\Battlelog Web Plugins
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 Battlefield4 icon )
Join a Server
For Internet Explorer 11
Uninstall the Plugin then deleting the containing folder placed in: C:\Program Files (x86)\Battlelog Web Plugins
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 battlelog.battlefield.com/bf4/ 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.
