Winspool.drv – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

30-Jul-2013 – 6.1.7601.22406 – Winspool.drv – x64 – http://support.microsoft.com/kb/2871131 – The size of the “HKEY_USERS\.DEFAULT” registry hive continuously increases on a Windows Server-based server

09-Oct-2012 – 6.1.7601.22130 – Winspool.drv – x86/x64 – http://support.microsoft.com/kb/2769359 – Print job fails when the printer driver isolation feature is set to isolated or shared mode in Windows 7 or Windows Server 2008 R2

13-May-2011 – 6.1.7601.21727 – Winspool.drv – x86/x64 – http://support.microsoft.com/kb/2542200 – A Win32 application that calls the EndDoc function crashes if you have 255 printing jobs in the queue in Windows 7 or in Windows Server 2008 R2

17-Mar-2011 – 6.1.7601.21685 – Winspool.drv – x86/x64 – http://support.microsoft.com/kb/981070 – “Windows can’t open Add Printer” error in a 64-bit version of Win7 or of Windows Server 2008 R2

18-Dec-2010 – 6.1.7601.21624 – Winspool.drv – x64 – http://support.microsoft.com/kb/2443101 – Print queue restore operations through the “printui.exe” command fail, error code 0x000000C in Windows Server 2008 R2 or in Windows 7