I've been getting errors in Counter Strike: Global Offensive and Bioshock. CS:GO will sometimes fail when loading a map and the error contains "0xc0000005" For Bioshock this also will happen when trying to launch and it will contain the same error. I googled this for awhile and the consensus was to test the ram. So I fired up memtest today and tested all sticks, they failed at around 44% and the failing address was 129.0 MB. I figured this was going to happen so then I went about testing them individually in slot 1. They all failed at this exact point. I then tested one of the sticks in slot 4 and it failed at the same point. What can I draw from these conclusions? My computer seems to run fine except from the aforementioned errors, its not like I'm getting blue screens from memory errors, everything is failing gracefully. The memtest makes it look like a huge problem though but it doesn't make much sense to me. Could the motherboard possibly be bad?
I don't have any overclocking in place so all of my ram should be on stock settings.
Also the motherboard is a Gigabyte Z77X-UD5H