Hi.
This is a 0x3B stop error. Here's your prescription. Follow it all and things should be well.
First, update your Realtek HD Audio driver from the following link:
Code:
RTKVHD64 RTKVHD64.sys Thu Jul 24 06:05:39 2008
http://www.realtek.com.tw/downloads/...&GetDown=false
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Daemon Tools is known to crash Windows 7 like crazy. Please uninstall it in the normal method then use this installer/uninstaller to remove sptd.sys (very important):
DuplexSecure - Downloads
I recommend using PowerIso for drive emulation. It does not crash systems ever.
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Uninstall all of the Gigbayte utilities which are unnecessary and always cause problems. After doing so, navigate to C:\Windows\System32\drivers and delete gdrv.sys if it is still present.
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Finally, uninstall Avast! which could very well be responsible for the stop error. Use the special tool found here to do so:
AV Uninstallers - Windows 7 Forums
I recommend MSE as a replacement because it is very efficient and does not cause bsod ever.
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Good luck and enjoy.