On Clicking the browser icon it crashes and displays the Mozila Crash reporter. I have tried to open the browser on safe mode as well but is of no use.After clicking on open in safe mode i am getting the same Mozila crash reporter. Here are the details from the Crash reporter: AdapterDeviceID: 0x0126 AdapterVendorID: 0x8086 Add-ons: %7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:20.0.1 AvailablePageFile: 5090312192 AvailablePhysicalMemory: 2008965120 AvailableVirtualMemory: 1857757184 BuildID: 20130409194949 CrashTime: 1366797525 EMCheckCompatibility: true Email: gaurav.a.sarin@capgemini.com FramePoisonBase: 00000000f0de0000 FramePoisonSize: 65536 InstallTime: 1366595755 Notes: Cisco VPN AdapterVendorID: 0x8086, AdapterDeviceID: 0x0126, AdapterSubsysID: 21ce17aa, AdapterDriverVersion: 8.15.10.2342 D2D? D2D+ DWrite? DWrite+ D3D10 Layers? D3D10 Layers+ ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox ReleaseChannel: release SecondsSinceLastCrash: 142 StartupTime: 1366797524 SystemMemoryUsePercentage: 45 Theme: classic/1.0 Throttleable: 1 TotalVirtualMemory: 2147352576 URL: about:blank Vendor: Mozilla Version: 20.0.1 Winsock_LSP: MSAFD Tcpip [TCP/IP] : 2 : 1 : MSAFD Tcpip [UDP/IP] : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD Tcpip [RAW/IP] : 2 : 3 : MSAFD Tcpip [TCP/IPv6] : 2 : 1 : %SystemRoot%\system32\mswsock.dll MSAFD Tcpip [UDP/IPv6] : 2 : 2 : MSAFD Tcpip [RAW/IPv6] : 2 : 3 : %SystemRoot%\system32\mswsock.dll RSVP TCPv6 Service Provider : 2 : 1 : RSVP TCP Service Provider : 2 : 1 : %SystemRoot%\system32\mswsock.dll RSVP UDPv6 Service Provider : 2 : 2 : RSVP UDP Service Provider : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip_{792D4B80-1B9D-43E2-B342-4F1E791256FA}] SEQPACKET 2 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{792D4B80-1B9D-43E2-B342-4F1E791256FA}] DATAGRAM 2 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip_{EE73B6E5-927A-4077-A87E-4FD31E658EFC}] SEQPACKET 0 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{EE73B6E5-927A-4077-A87E-4FD31E658EFC}] DATAGRAM 0 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip_{2FECE9E0-3C59-48C6-82FC-BC2DE1E6AF6E}] SEQPACKET 7 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{2FECE9E0-3C59-48C6-82FC-BC2DE1E6AF6E}] DATAGRAM 7 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{759C661F-52B8-4F17-A250-BCFC4A1CAFA4}] SEQPACKET 5 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{759C661F-52B8-4F17-A250-BCFC4A1CAFA4}] DATAGRAM 5 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{9C9DBC83-494C-46D4-B602-9A680DB7CD61}] SEQPACKET 4 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{9C9DBC83-494C-46D4-B602-9A680DB7CD61}] DATAGRAM 4 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{25940919-4E99-43F1-BF1C-AC8D2353BE89}] SEQPACKET 10 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{25940919-4E99-43F1-BF1C-AC8D2353BE89}] DATAGRAM 10 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{BB426DF9-EB8B-4CB1-89F9-E8665544B6C5}] SEQPACKET 9 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{BB426DF9-EB8B-4CB1-89F9-E8665544B6C5}] DATAGRAM 9 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{792D4B80-1B9D-43E2-B342-4F1E791256FA}] SEQPACKET 3 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{792D4B80-1B9D-43E2-B342-4F1E791256FA}] DATAGRAM 3 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{EE73B6E5-927A-4077-A87E-4FD31E658EFC}] SEQPACKET 1 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{EE73B6E5-927A-4077-A87E-4FD31E658EFC}] DATAGRAM 1 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{2FECE9E0-3C59-48C6-82FC-BC2DE1E6AF6E}] SEQPACKET 8 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{2FECE9E0-3C59-48C6-82FC-BC2DE1E6AF6E}] DATAGRAM 8 : 2 : 2 : %SystemRoot%\system32\mswsock.dll MSAFD NetBIOS [\Device\NetBT_Tcpip6_{D46A1467-D5FE-419C-94B6-FEE9825C7819}] SEQPACKET 6 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip6_{D46A1467-D5FE-419C-94B6-FEE9825C7819}] DATAGRAM 6 : 2 : 2 : %SystemRoot%\system32\mswsock.dll This report also contains technical information about the state of the application when it crashed.

We need the crash ID of the crash: https://developer.mozilla.org/en/How_to_get_a_stacktrace_for_a_bug_report

Crash ID: bp-61d559e8-3168-47ae-94e0-8c38c2130425

It's caused by Websense Endpoint. It's fixed at least in a pre-production version (see the whiteboard of bug 828184).