I built my computer last December. Lately, i keep having problem.(only happen when i play game) I try ram testing, and it said the ram is ok. I update all drivers also. The temperature of my graphic card and cpu is normal. Here is the minidump from a hour ago. Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7601.2.1.0.256.48 Locale ID: 1033 Additional information about the problem: BCCode: 124 BCP1: 0000000000000000 BCP2: FFFFFA8006F9D028 BCP3: 00000000F2000000 BCP4: 000000000020008F OS Version: 6_1_7601 Service Pack: 1_0 Product: 256_1 Files that help describe the problem: C:\Windows\Minidump\052711-8330-01.dmp C:\Users\yixiangliu\AppData\Local\Temp\WER-39717-0.sysdata.xml Could anyone please that me what is going on or what might cause the problem. Thank you so much.