Hi Victoria,
All of the attached DMP files are of the KERNEL_SECURITY_CHECK_FAILURE (139) bug check.
This bug check indicates that the kernel has detected the corruption of a critical data structure.
BugCheck 139, {3, fffff80380787810, fffff80380787768, 0}
The 1st parameter of the bugcheck is 3 which indicates that a LIST_ENTRY was corrupted. Code 3, LIST_ENTRY corruption. This type of bug check can be difficult to track down and indicates that an inconsistency has been introduced into a doubly-linked list (detected when an individual list entry element is added to or removed from the list).
-- FAILURE_BUCKET_ID: X64_0x139_usbuhci+11ee
^^ UHCI USB Miniport system driver.
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1. Remove and replace Kaspersky with Windows 8's built-in Windows Defender for temporary troubleshooting purposes as it's likely causing conflicts:
Kaspersky removal -http://support.kaspersky.com/common/service.aspx?el=1464
Windows Defender (how to turn on after removal) - http://www.eightforums.com/tutorials/21962-windows-defender-turn-off-windows-8-a.html
2. Ensure all of your USB-based drivers are up to date via Gigabyte's website - http://www.gigabyte.us/products/product-page.aspx?pid=3265#ov
Regards,
Patrick