Recommend removal of all Toshiba software - they seem to be contributing to your BSOD's. Use Revo Uninstaller Free to remove them. Also remove all Webroot software with Revo. Unplug and safely remove any USB devices.
Note
Revo Uninstaller
Download and install Revo Uninstaller free from here:
Download Revo Uninstaller Freeware
Opt for "Advanced Mode" and uninstall the software (also delete the leftover registry entries).
This tutorial USB Selective Suspend - Turn On or Off may help:
To Disable Selective Suspend:
1. open the control panel
2. go to power options (you may have to set view to small icons)
3. click change plan settings
4. in the window that opens:
5. click change plan settings
6. click change advanced power settings, expand usb and ensure usb selective suspend is disabled.
Uninstallers (removal tools) for common antivirus software
Microsoft Security Essentials and Malwarebytes are recommended from a strict BSOD perspective. They do not cause blue screens on the system as other AV products do.
Microsoft Security Essentials for Windows
MalwareBytes Free
Disk Check
For errors on your Hard drive(s): Disk Check
Start up
Keep less stuff at the start-up. Only anti-virus, this helps avoid driver conflicts and improves time to log in to windows.
Performing a Clean Startup
Startup Programs - Change
SFC /scannow
1. Click Start 
2. In the search box, type Command Prompt
3. In the list that appears, right-click on cmd.exe and choose Run as administrator
4. In the command window that opens, type
5. Hit enter
System File Checker
Memtest86+
Run Memtest86+ for at least 8-10 passes. It may take up to 20 passes to find problems. Make sure to run it once after the system has been on for a few hours and is warm, and then also run it again when the system has been off for a few hours and is cold.
How to test and diagnose RAM issues with Memtest86+
Note
Pay close attention to part 3 of the tutorial in order to rule the faulty RAM stick out.
Tip
Do this test overnight.
BSOD BUGCHECK SUMMARY
Code:
Debug session time: Sun Jul 7 07:17:02.048 2013 (UTC + 6:00)
Built by: 7601.18113.amd64fre.win7sp1_gdr.130318-1533
System Uptime: 0 days 10:58:36.500
Probably caused by : usbhub.sys ( usbhub!UsbhHubProcessChangeWorker+ec )
BugCheck FE, {8, 6, 5, fffffa8006d87160}
BugCheck Info: BUGCODE_USB_DRIVER (fe)
Bugcheck code 000000fE
Arguments:
Arg1: 0000000000000008, USBBUGCODE_RESERVED_USBHUB
Arg2: 0000000000000006, USBHUB_TRAP_FATAL_TIMEOUT
Arg3: 0000000000000005, TimeoutCode: Timeout_PCE_Suspend_Action3 - PortData->PortSuspendEvent
Arg4: fffffa8006d87160, TimeoutContext - PortData
BUGCHECK_STR: 0xFE
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xFE_usbhub!UsbhHubProcessChangeWorker+ec
MaxSpeed: 2270
CurrentSpeed: 2261
BiosVersion = Version 2.10
BiosReleaseDate = 03/23/2011
SystemManufacturer = TOSHIBA
SystemProductName = PORTEGE R700
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии``
Debug session time: Fri Jul 5 05:35:13.146 2013 (UTC + 6:00)
Built by: 7601.18113.amd64fre.win7sp1_gdr.130318-1533
System Uptime: 1 days 0:30:04.223
Probably caused by : usbhub.sys ( usbhub!UsbhHubProcessChangeWorker+ec )
BugCheck FE, {8, 6, 5, fffffa8007728160}
BugCheck Info: BUGCODE_USB_DRIVER (fe)
Bugcheck code 000000fE
Arguments:
Arg1: 0000000000000008, USBBUGCODE_RESERVED_USBHUB
Arg2: 0000000000000006, USBHUB_TRAP_FATAL_TIMEOUT
Arg3: 0000000000000005, TimeoutCode: Timeout_PCE_Suspend_Action3 - PortData->PortSuspendEvent
Arg4: fffffa8007728160, TimeoutContext - PortData
BUGCHECK_STR: 0xFE
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xFE_usbhub!UsbhHubProcessChangeWorker+ec
MaxSpeed: 2270
CurrentSpeed: 2261
BiosVersion = Version 2.10
BiosReleaseDate = 03/23/2011
SystemManufacturer = TOSHIBA
SystemProductName = PORTEGE R700
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии``
Debug session time: Mon Jun 17 13:52:40.915 2013 (UTC + 6:00)
Built by: 7601.18113.amd64fre.win7sp1_gdr.130318-1533
System Uptime: 0 days 13:19:22.368
Probably caused by : usbhub.sys ( usbhub!UsbhHubProcessChangeWorker+ec )
BugCheck FE, {8, 6, 5, fffffa8007725160}
BugCheck Info: BUGCODE_USB_DRIVER (fe)
Bugcheck code 000000fE
Arguments:
Arg1: 0000000000000008, USBBUGCODE_RESERVED_USBHUB
Arg2: 0000000000000006, USBHUB_TRAP_FATAL_TIMEOUT
Arg3: 0000000000000005, TimeoutCode: Timeout_PCE_Suspend_Action3 - PortData->PortSuspendEvent
Arg4: fffffa8007725160, TimeoutContext - PortData
BUGCHECK_STR: 0xFE
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xFE_usbhub!UsbhHubProcessChangeWorker+ec
MaxSpeed: 2270
CurrentSpeed: 2261
BiosVersion = Version 2.10
BiosReleaseDate = 03/23/2011
SystemManufacturer = TOSHIBA
SystemProductName = PORTEGE R700
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии``
Do not start the free trial of MalwareBytes, unselect that option when prompted.
Update and make full scans with both separately.
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