BSOD 0x00000050 occurs when user is browsing with Internet Explorer 9, Firefox, or Chrome. After being diagnosed by the Windows debugger, the root cause is "igdpm.sys" failure which is a component of the video driver.
The above symptom is associated with but not limited to the following systems:
System is configured with:
1. Update to the latest Video driver from the following URL:
2. Remove Microsoft KB2670838. Set the Microsoft KB2670838 to be hidden in the Microsoft Windows update or temporarily disable Microsoft Windows Auto Update; otherwise, it will auto-update again.
"A platform update is available for Windows 7 SP1 and Windows Server 2008 R2 SP1" document:
Microsoft "Update Problem KB2670838" article: