Lync 2013 not responding

Hi All

I installed Lync 2013 client and getting error message when i start the application. The error is Microsoft Lync stopped working and crashes.

1. I did Lycn software repair and also office 2013 repair. Restarted the machine. Still the same issue
2. Disabled bluetooth driver and tried. same issue
3. uninstalled citrix receiver and tried logging itno lync. same issue

Even viewer logs:

Faulting application name: lync.exe, version: 15.0.4420.1017, time stamp: 0x5067326f
Faulting module name: ntdll.dll, version: 6.1.7601.18247, time stamp: 0x521ea8e7
Exception code: 0xc0000374
Fault offset: 0x000ce753
Faulting process id: 0xb88
Faulting application start time: 0x01d02ef21563cfd2
Faulting application path: C:\Program Files (x86)\Microsoft Office\Office15\lync.exe
Faulting module path: C:\WINDOWS\SysWOW64\ntdll.dll
Report Id: 543f1e82-9ae5-11e4-9020-d0bf9c1f513a

Please check and provide the solution