Periodically, a blue screen of death appeared on the computer. According to the Windows log, I realized that the reason is in RAM. I tested the RAM with Memtest86 + V4.20.
Result: 
Details about RAM:
- Module Name OCZ Gold XTC OCZ3G1333LV2G
- Module size 2 GB (1 rank, 8 banks)
- 3 RAM modules installed
No overclocking, BIOS settings are standard. The computer collected independently, before that 3 years worked without errors.
Tell me how to fix the problem?