Your computer may freeze or restart to a black screen that has a "0xc0000034" error message after you install Service Pack 1 on Windows 7 or Windows 2008 R2 - Microsoft SupportWindows 7 Starter Windows 7 Home Basic Windows 7 Home Premium Windows 7 Enterprise Windows 7 Professional Windows 7 Ultimate Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Enterprise Windows Server 2008 R2 for Itanium-Based Systems Windows Server 2008 R2 Service Pack 1 Windows Server 2008 R2 Standard More...Less Symptoms You install Service Pack 1 (SP1) on your computer with Windows 7 or
