Full Session lost Fix

-----------------Stage 1-----------------------

go to

Programme files,

steam,

steamapps,

common,

Arma 2 operation Arrowhead,

Expansions,

Battleye.

Run the BEService_x64.exe and uninstall battleye

Then delete the remaining files in teh Battleye folder.

-----------------Stage 2-----------------------

right click operation arrowhead game in steam.

go to properties

local files tab, then select - Verify integrity of game cache...

if it says to uninstall Czech addon, you can its fine.

go to Programme files (x86)

common files,

and delete battleye folder

-----------------Stage 3-----------------------

go to your appdata - (type %appdata% in your search, or in the address bar of your file browser) you may need to go into the roaming file and then in your address bar you will be able to click the appdata folder.

Go into local,
Arma 2 OA,

then

Battleye.

Delete the files in the Battleye folder.

Launch the game!