Explorer.exe crash, exception code 0xc0000005

Hello all,

First time poster. I've got a new install of Windows 7 Ultimate x64 on new hardware - a Foxconn motherboard replacing an older faulty EVGA motherboard. Since install, I've had several explorer.exe crashes, and a few bluescreens.

SFC /scannow came back clean. A basic memory test (windows internal test from boot) also came back clean. Running full disk check after posting this.

See error description below and attached dump logs.

Thanks!
-Joshua Thomas

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Faulting application name: Explorer.EXE, version: 6.1.7600.16768, time stamp: 0x4d688122
Faulting module name: comctl32.dll, version: 6.10.7600.16661, time stamp: 0x4c6f6e4b
Exception code: 0xc0000005
Fault offset: 0x00000000000b49ed
Faulting process id: 0x6f0
Faulting application start time: 0x01cd888e0dae5155
Faulting application path: C:\Windows\Explorer.EXE
Faulting module path: C:\Windows\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16661_none_fa62ad231704eab7\comctl32.dll
Report Id: 8e382387-f481-11e1-bee4-90fba632ebe9

Disk check was clean, no problems found.