Hello, Recently I've experienced frequent (1-2 times per day) of the infamous MS BSOD. My system is AMD X4-630 with 8G of RAM (4 identical 2G from Kingston) running Win 7 64 bit. The error message is: Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7601.2.1.0.256.1 Locale ID: 1033 Additional information about the problem: BCCode: a BCP1: FFFFEF000AC73290 BCP2: 0000000000000002 BCP3: 0000000000000000 BCP4: FFFFF800030B83D7 OS Version: 6_1_7601 Service Pack: 1_0 Product: 256_1 and attached is the minidump. Please help pin-down the problem. Thanks much!