A device by a company called Etron (Sorry never heard of this company) is causing your crashes. So either disconnect the device or look for an updated driver.
Debug session time: Sat Jan 10 10:10:04.435 2015 (UTC + 11:00)
Loading Dump File [C:\Users\User101\SysnativeBSODApps\011015-26114-01.dmp]
Built by: 7601.18409.amd64fre.win7sp1_gdr.140303-2144
System Uptime: 0 days 6:28:36.934
*** WARNING: Unable to verify timestamp for EtronXHCI.sys
*** ERROR: Module load completed but symbols could not be loaded for EtronXHCI.sys
Probably caused by : EtronXHCI.sys ( EtronXHCI+9b4f )
BugCheck 1000007E, {ffffffffc0000005, fffff88004c7ab4f, fffff880090f1828, fffff880090f1080}
BugCheck Info:
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M (1000007e)
Bugcheck code 1000007E
Arguments:
Arg1: ffffffffc0000005, The exception code that was not handled
Arg2: fffff88004c7ab4f, The address that the exception occurred at
Arg3: fffff880090f1828, Exception Record Address
Arg4: fffff880090f1080, Context Record Address
PROCESS_NAME: System
BUGCHECK_STR: 0x7E
FAILURE_BUCKET_ID: X64_0x7E_EtronXHCI+9b4f
BiosVersion = FE
BiosReleaseDate = 10/25/2011
SystemManufacturer = Gigabyte Technology Co., Ltd.
SystemProductName = GA-880GM-USB3
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Debug session time: Sat Jan 10 03:40:28.156 2015 (UTC + 11:00)
Loading Dump File [C:\Users\User101\SysnativeBSODApps\011015-22152-01.dmp]
Built by: 7601.18409.amd64fre.win7sp1_gdr.140303-2144
System Uptime: 0 days 11:22:12.280
*** WARNING: Unable to verify timestamp for EtronHub3.sys
*** ERROR: Module load completed but symbols could not be loaded for EtronHub3.sys
Probably caused by : EtronHub3.sys ( EtronHub3+8e1 )
BugCheck E4, {2, fffffa8006a880f0, fffffa8006a88110, 0}
BugCheck Info:
WORKER_INVALID (e4)
Bugcheck code 000000e4
Arguments:
Arg1: 0000000000000002, Free of queued I/O worker item
Arg2: fffffa8006a880f0, Address of worker item
Arg3: fffffa8006a88110, Address of I/O worker routine
Arg4: 0000000000000000, 0
BUGCHECK_STR: 0xE4
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xE4_EtronHub3+8e1
BiosVersion = FE
BiosReleaseDate = 10/25/2011
SystemManufacturer = Gigabyte Technology Co., Ltd.
SystemProductName = GA-880GM-USB3
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Debug session time: Fri Jan 9 14:51:46.943 2015 (UTC + 11:00)
Loading Dump File [C:\Users\User101\SysnativeBSODApps\010915-48750-01.dmp]
Built by: 7601.18409.amd64fre.win7sp1_gdr.140303-2144
System Uptime: 0 days 11:46:31.067
*** WARNING: Unable to verify timestamp for EtronXHCI.sys
*** ERROR: Module load completed but symbols could not be loaded for EtronXHCI.sys
Probably caused by : EtronXHCI.sys ( EtronXHCI+9b4f )
BugCheck 1000007E, {ffffffffc0000005, fffff88004d61b4f, fffff880033cb828, fffff880033cb080}
BugCheck Info:
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M (1000007e)
Bugcheck code 1000007E
Arguments:
Arg1: ffffffffc0000005, The exception code that was not handled
Arg2: fffff88004d61b4f, The address that the exception occurred at
Arg3: fffff880033cb828, Exception Record Address
Arg4: fffff880033cb080, Context Record Address
PROCESS_NAME: System
BUGCHECK_STR: 0x7E
FAILURE_BUCKET_ID: X64_0x7E_EtronXHCI+9b4f
BiosVersion = FE
BiosReleaseDate = 10/25/2011
SystemManufacturer = Gigabyte Technology Co., Ltd.
SystemProductName = GA-880GM-USB3