Looks like it might possibly be a driver issue
BugCheck A, {e2c1483c, 7, 1, fffff8034cccb781}
Probably caused by : hardware ( nt!EtwpGetCycleCount+5 )
IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high. This is usually
caused by drivers using improper addresses.
You have a few that could use your attention from a Samsung Printer driver to some Blackberry drivers
SSPORT.sys 8/11/2005
LHidFilt.Sys 6/17/2009
LMouFilt.Sys6/17/2009
RimSerial_AMD64.sys10/22/2012
bcbtums.sys10/17/2013
ksbus64.sys11/29/2013
KSPrt64.sys12/3/2013
rimvndis6_AMD64.sys1/14/2014
Use Google or Bing to identify the drivers, determine first, if you actually even need them anymore and then if there are available updates or upgrades to the software that is responsible for installing these drivers on your system.
Additionally .......
Check with Gigabyte, there looks to be a BIOS update or two for that board that are newer than the one you are currently using.
Make sure you are exacting in determining the BIOS update you need for your specific board and Rev. #
Last Resort....
Uninstall Avast and see if that might be producing the problem, Including running the vendor specific, proprietary removal tool from here
https://www.avast.com/uninstall-utility