Webio.dll – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)
05-May-2012 – 6.1.7601.21988 – webio.dll – x86/x64 – http://support.microsoft.com/kb/2707157 – WebIO component uses its own DNS cache to resolve an FQDN in Windows 7 or in Windows Server 2008 R2
16-Dec-2011 – 6.1.7601.21878 – webio.dll – x86/x64 – http://support.microsoft.com/kb/2654875 – A BITS client resets the TCP connection every time that it finishes downloading a range of the file in Windows 7 or in Windows Server 2008 R2
17-Nov-2011 – 6.1.7601.21861 – webio.dll – x86/x64 – http://support.microsoft.com/kb/2585542 – MS12-006: Description of the security update for Webio, Winhttp, and schannel in Windows: January 10, 2012
17-Nov-2011 – 6.1.7601.17725 – webio.dll – x86/x64 – http://support.microsoft.com/kb/2585542 – MS12-006: Description of the security update for Webio, Winhttp, and schannel in Windows: January 10, 2012