a few days ago the game suddenly stopped working and when I tried to enter to the game after about 5 minutes the game freezes.
now when I trying to run the game an error appears with these message:

Arma 3 Launcher Exception Log

(\___/) Arma 3 Launcher encountered an unexpected error described below.
(='.'=) Sorry for the inconvenience.
(")_(") Please report this on Arma 3 Feedback Tracker (http://feedback.arma3.com). Thanks to you we may fix the issue faster... and the bunny will be happy!

----------------------------

System information

Date: 2015-07-17 21:40:33 / 2015-07-18 00:40:33 +03
Current dir: G:\Steam sniper elite v2\steamapps\common\Arma 3
AppData dir: C:\Users\yuri\AppData\Local
Command line: "G:\Steam sniper elite v2\steamapps\common\Arma 3\arma3launcher.exe"
CLR version: 4.0.30319.34209
OS Version: 6.1.7601.65536 (Microsoft Windows NT 6.1.7601 Service Pack 1)
OS 64 bit: True
Process 64 bit: False
Personal dir: C:\Users\yuri\Documents
Culture: he-IL
UI Culture: en-US
Point of log: Unobserved Exception

----------------------------

Exception

System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. ---> System.ComponentModel.Win32Exception: Access is denied

at System.Diagnostics.ProcessManager.OpenProcess(Int32 processId, Int32 access, Boolean throwIfExited)
at System.Diagnostics.Process.GetProcessHandle(Int32 access, Boolean throwIfExited)
at System.Diagnostics.Process.OpenProcessHandle(Int32 access)
at System.Diagnostics.Process.set_EnableRaisingEvents(Boolean value)
at Launcher.ArmaExecutor.MonitorArmaProcess(Process armaProcess)
at Launcher.ArmaExecutor.<>c__DisplayClass4.<<MonitorBattlEyeProcess>b__3>d__6.MoveNext()
--- End of inner exception stack trace ---

---> (Inner Exception #0) System.ComponentModel.Win32Exception (0x80004005): Access is denied

at System.Diagnostics.ProcessManager.OpenProcess(Int32 processId, Int32 access, Boolean throwIfExited)
at System.Diagnostics.Process.GetProcessHandle(Int32 access, Boolean throwIfExited)
at System.Diagnostics.Process.OpenProcessHandle(Int32 access)
at System.Diagnostics.Process.set_EnableRaisingEvents(Boolean value)
at Launcher.ArmaExecutor.MonitorArmaProcess(Process armaProcess)
at Launcher.ArmaExecutor.<>c__DisplayClass4.<<MonitorBattlEyeProcess>b__3>d__6.MoveNext()<---