I am not sure if it works for everyone.but sure did work for me Alhamdulillah!
link:- http://www.coderbag.com/Programming-...arking-Utility

Download this software,
Unrar,Click check status,then click unpark all.

It didn't do any harm to my pc Alhamdulllah!The trick may be old,but some time old is diamond!Feel free to try!

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And you do not need to keep the program running while playing,after unparking,press Exit and play BF4.I did not test with Multiplayer though!

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)_) _I_

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You guys are missing out,it might just help!!!!!!