Vpc.exe – Pre Service Pack 2 Revision History for Windows 7 SP1

04-Apr-2012 – 6.1.7601.21957 – Vpc.exe – x86/x64 – http://support.microsoft.com/kb/2697737 – Slow performance when you copy files to a file server from a virtual machine that is running Windows XP Mode on a Windows 7-based computer