Got a couple different errors here. Something strange I noticed is that one of your crashes was due to your ATI drivers and then the crashes proceeding it didn't show your ati drivers loaded. You may have an issue with your video card, windows installation, or motherboard. Have you tried a system restore? Also, I see that your VM is still installed. Are you able to remove it?
BSOD BUGCHECK SUMMARY
Code:
Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Fri Jun 10 16:09:46.367 2011 (UTC - 4:00)
System Uptime: 0 days 0:03:30.007
Probably caused by : cng.sys ( cng!GatherRandomKey+22c )
BUGCHECK_STR: 0xA
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xA_cng!GatherRandomKey+22c
BiosReleaseDate = 02/28/2011
SystemManufacturer = System manufacturer
SystemProductName = System Product Name
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Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Fri Jun 10 16:05:41.342 2011 (UTC - 4:00)
System Uptime: 0 days 1:45:14.967
Probably caused by : ntkrnlmp.exe ( nt!RtlpCoalesceFreeBlocks+cb )
EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.
BUGCHECK_STR: 0x3B
PROCESS_NAME: speedfan.exe
FAILURE_BUCKET_ID: X64_0x3B_nt!RtlpCoalesceFreeBlocks+cb
BiosReleaseDate = 02/28/2011
SystemManufacturer = System manufacturer
SystemProductName = System Product Name
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Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Thu Jun 9 17:14:16.935 2011 (UTC - 4:00)
System Uptime: 0 days 0:02:36.215
*** WARNING: Unable to verify timestamp for atikmdag.sys
*** ERROR: Module load completed but symbols could not be loaded for atikmdag.sys
Probably caused by : atikmdag.sys ( atikmdag+f2ce1 )
BUGCHECK_STR: 0xD1
PROCESS_NAME: lsass.exe
FAILURE_BUCKET_ID: X64_0xD1_atikmdag+f2ce1
BiosReleaseDate = 02/28/2011
SystemManufacturer = System manufacturer
SystemProductName = System Product Name
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии``
Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Thu Jun 9 13:04:24.330 2011 (UTC - 4:00)
System Uptime: 0 days 0:25:31.610
Probably caused by : Ntfs.sys ( Ntfs!NtfsFreeRecentlyDeallocated+2ca )
BUGCHECK_STR: 0x19_20
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0x19_20_Ntfs!NtfsFreeRecentlyDeallocated+2ca
BiosReleaseDate = 02/28/2011
SystemManufacturer = System manufacturer
SystemProductName = System Product Name
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии``