Here is your report:
On Sat 03-Jul-10 5:33:14 PM your computer crashed
This was likely caused by the following module: ntoskrnl.exe
Bugcheck code: 0x7F (0x8, 0x80050031, 0x6F8, 0xFFFFF80002ACA609)
Error: UNEXPECTED_KERNEL_MODE_TRAP
Dump file: C:\Windows\Minidump\070310-23930-01.dmp
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
The crash took place in a standard Microsoft module. Your system configuration may be incorrect, possibly the culprit is in another driver on your system which cannot be identified at this time.
On Sun 04-Jul-10 6:00:16 AM your computer crashed
This was likely caused by the following module: ntoskrnl.exe
Bugcheck code: 0x7F (0x8, 0x80050031, 0x6F8, 0xFFFFF80002A447A0)
Error: UNEXPECTED_KERNEL_MODE_TRAP
Dump file: C:\Windows\Minidump\070410-25864-01.dmp
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
The crash took place in a standard Microsoft module. Your system configuration may be incorrect, possibly the culprit is in another driver on your system which cannot be identified at this time.
On Sat 03-Jul-10 5:03:10 PM your computer crashed
This was likely caused by the following module: ntoskrnl.exe
Bugcheck code: 0x7F (0x8, 0x80050031, 0x6F8, 0xFFFFF80002A51798)
Error: UNEXPECTED_KERNEL_MODE_TRAP
Dump file: C:\Windows\Minidump\070310-32261-01.dmp
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
The crash took place in a standard Microsoft module. Your system configuration may be incorrect, possibly the culprit is in another driver on your system which cannot be identified at this time.
On Sat 03-Jul-10 5:14:58 PM your computer crashed
This was likely caused by the following module: ntoskrnl.exe
Bugcheck code: 0x7F (0x8, 0x80050031, 0x6F8, 0xFFFFF80002A8C609)
Error: UNEXPECTED_KERNEL_MODE_TRAP
Dump file: C:\Windows\Minidump\070310-28236-01.dmp
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
The crash took place in a standard Microsoft module. Your system configuration may be incorrect, possibly the culprit is in another driver on your system which cannot be identified at this time.
On Sat 03-Jul-10 5:26:52 PM your computer crashed
This was likely caused by the following module: ntoskrnl.exe
Bugcheck code: 0x7F (0x8, 0x80050031, 0x6F8, 0xFFFFF80002A92600)
Error: UNEXPECTED_KERNEL_MODE_TRAP
Dump file: C:\Windows\Minidump\070310-24632-01.dmp
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
The crash took place in a standard Microsoft module. Your system configuration may be incorrect, possibly the culprit is in another driver on your system which cannot be identified at this time.
It seems that ntoskrnl.exe is your culprit.
There are many solutions from forums, microsoft and even Youtube videos on it.
So here is the google page you can check out:
ntoskrnl.exe bsod "windows 7" And here is a forum that has many solutions:
http://www.sevenforums.com/crashes-debugging/23643-ntoskrnl-exe-bsod.html