re-occuring blue screen problem

[zaza]

I keep getting this bluescreen every 15 minutes or so, it happens on both my vista and XP HD.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.0.6000.2.0.0.768.3
Locale ID: 2057

Additional information about the problem:
BCCode: 1a
BCP1: 00004000
BCP2: 86168750
BCP3: 00800000
BCP4: 0023F9A0
OS Version: 6_0_6000
Service Pack: 0_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\Mini060107-01.dmp
C:\Users\User\AppData\Local\Temp\WER-43274-0.sysdata.xml
C:\Users\User\AppData\Local\Temp\WERDCD6.tmp.version.txt

No idea why, happening like clockwork.

 

[modo77]

Ifs on 2 os's it sounds like hardware. Remove any overclocks you might have. Check temps etc. Does it happen in safe mode?