Signature    RtlAllocateHeap
UUID    b095f47e-80a6-4752-b071-42cbc2110526
Uptime   
Last Crash    3314 seconds (55.2 minutes) before submission
Install Age    2327522 seconds (3.8 weeks) since version was first installed.
Install Time    2011-04-29 10:31:37
Product    Firefox
Version    4.0.1
Build ID    20110413222027
Release Channel    release
Branch    2.0
OS    Windows NT
OS Version    5.1.2600 Service Pack 3
CPU    x86
CPU Info    GenuineIntel family 15 model 4 stepping 9
Crash Reason    EXCEPTION_ACCESS_VIOLATION_WRITE
Crash Address    0x67002c
User Comments   
App Notes     AdapterVendorID: 8086, AdapterDeviceID: 2772, AdapterDriverVersion: 6.14.10.4926
D3D10 Layers? D3D10 Layers-
D3D9 Layers? D3D9 Layers-
Processor Notes    
EMCheckCompatibility    True
Winsock LSP    Forefront TMG Client IPv4 Service Provider [TCP/IP] : 2 : 1 : MSAFD Tcpip [TCP/IP] : 2 : 1 : Forefront TMG Client IPv4 Service Provider [UDP/IP] : 2 : 2 : MSAFD Tcpip [UDP/IP] : 2 : 2 : MSAFD Tcpip [RAW/IP] : 2 : 3 : Forefront TMG Client IPv4 Service Provider for RSVP [UDP/IP] : 2 : 2 : RSVP UDP Service Provider : 6 : 2 : Forefront TMG Client IPv4 Service Provider for RSVP [TCP/IP] : 2 : 1 : RSVP TCP Service Provider : 6 : 1 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{10A956DB-59A1-416C-A7AB-46CDCE736989}] SEQPACKET 0 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{10A956DB-59A1-416C-A7AB-46CDCE736989}] DATAGRAM 0 : 2 : 2 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{7895EEA7-2CB2-4439-88B4-E75B3D3541BB}] SEQPACKET 1 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{7895EEA7-2CB2-4439-88B4-E75B3D3541BB}] DATAGRAM 1 : 2 : 2 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{45EA510F-98CB-44EA-BD9B-81EF4CC6DD2F}] SEQPACKET 2 : 2 : 5 : MSAFD NetBIOS [\Device\NetBT_Tcpip_{45EA510F-98CB-44EA-BD9B-81EF4CC6DD2F}] DATAGRAM 2 : 2 : 2 :
Adapter Vendor ID   
Adapter Device ID   
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OPEN

        519340 NEW Crash with AVG Safe Search [@ RtlpCoalesceFreeBlocks] and [@ RtlAllocateHeap]

Crashing Thread
Frame     Module     Signature [Expand]     Source
0     ntdll.dll     RtlAllocateHeap    
1     kernel32.dll     LocalAlloc    
2     iphlpapi.dll     GetAdapterList    
3     iphlpapi.dll     GetAdapterInfo    
4     iphlpapi.dll     InternalGetPerAdapterInfo    
5     iphlpapi.dll     GetPerAdapterInfoEx    
6     dnsapi.dll     dnsapi.dll@0x8611    
7     dnsapi.dll     dnsapi.dll@0x84eb    
8     dnsapi.dll     dnsapi.dll@0x7d0a    
9     dnsapi.dll     dnsapi.dll@0x7c14    
10     dnsapi.dll     dnsapi.dll@0x2e4a    
11     mswsock.dll     myhostent_W    
12     mswsock.dll     DnsApiFree    
13     ws2_32.dll     NSPROVIDER::NSPLookupServiceNext    
14     ws2_32.dll     NSPROVIDERSTATE::LookupServiceNext    
15     ws2_32.dll     NSQUERY::LookupServiceNext    
16     ws2_32.dll     WSALookupServiceNextW    
17     ws2_32.dll     WSALookupServiceNextA    
18     ws2_32.dll     getxyDataEnt    
19     ws2_32.dll     gethostname    
20     FwcWsp.dll     FwcWsp.dll@0x1d713    
21     FwcWsp.dll     FwcWsp.dll@0x1b606    
22     FwcWsp.dll     FwcWsp.dll@0x1c57c    
23     FwcWsp.dll     FwcWsp.dll@0x1bfaf    
24     ws2_32.dll     NSPROVIDER::NSPLookupServiceBegin    
25     ws2_32.dll     NSPROVIDERSTATE::LookupServiceBegin    
26     ws2_32.dll     NSQUERY::LookupServiceBegin    
27     ws2_32.dll     WSALookupServiceBeginW    
28     ws2_32.dll     WSALookupServiceBeginA    
29     ws2_32.dll     getxyDataEnt    
30     ws2_32.dll     gethostbyname    
31     nspr4.dll     PR_GetHostByName     nsprpub/pr/src/misc/prnetdb.c:723
32     nspr4.dll     pr_GetAddrInfoByNameFB     nsprpub/pr/src/misc/prnetdb.c:1999
33     nspr4.dll     PR_GetAddrInfoByName     nsprpub/pr/src/misc/prnetdb.c:2028
34     xul.dll     nsHostResolver::ThreadFunc     netwerk/dns/nsHostResolver.cpp:888
35     nspr4.dll     _PR_NativeRunThread     nsprpub/pr/src/threads/combined/pruthr.c:426
36     nspr4.dll     pr_root     nsprpub/pr/src/md/windows/w95thred.c:122
37     mozcrt19.dll     _callthreadstartex     obj-firefox/memory/jemalloc/crtsrc/threadex.c:348
38     mozcrt19.dll     _threadstartex     obj-firefox/memory/jemalloc/crtsrc/threadex.c:326
39     kernel32.dll     BaseThreadStart