Cumulative update KB3201845 rolls out for Windows 10 version 1607

Windows 10 Anniversary update gets cumulative update KB3201845 and includes a number of fixes and improvements to the operating system.

Windows 10 build 14393.479 (KB3201845)

Microsoft is releasing a new cumulative update for the latest version of Windows 10. The new update is described as KB3201845, the company first released the update for testing for computers and phones enrolled in the Release Preview ring on November 29th, but now is rolling out to everyone.

KB3201845 bumps version number of Windows 10 to build 14393.479, and includes a number of fixes and improvements and now that they’re considered stable, Microsoft is making them available to devices running Windows 10 Anniversary Update.

New changes on Windows 10 build 14393.479

Microsoft has announced KB3201845 in its support site and refers the update as “Cumulative Update for Windows 10 Version 1607: November 29, 2016,” and notes that update “includes improvements and fixes to enhance the functionality of Windows 10 Version 1607.”

  • Improved the reliability of mobile device management (MDM) disenrollment, Distributed Component Object Model (DCOM), Peripheral Component Interface and PowerShell.
  • Fixed issue that causes excessive battery drain if you have a Chinese Input Method Editor installed and use Windows Hello to log in.
  • Addressed problem with OLE drag and drop that prevents users from downloading a SharePoint document library as a file.
  • Fixed issue with Super Floppy-formatted fixed media devices that are not recognized by Windows 10 Anniversary Update or accessible in Windows Explorer.
  • Addressed problem that causes the System Center Configuration Manager (SCCM) client to fail installation when a device is re-imaged using the SCCM task sequence.
  • Fixed issue that causes the loss of optional component (OC) state information, including all Hyper-V virtual machines, after upgrade.
  • Addressed problem that causes Windows Explorer to display information that’s inconsistent with what’s stored on the Floppy disk.
  • Fixed issue that, after connecting a shared CD/DVD-hosted drive with no media inserted, causes some of the commands, like DIR and NET USE, to hang.
  • Addressed problem where customers cannot use directory cache sizes greater than 64 KB.
  • Fixed issue where Windows Explorer sometimes does not prompt for credentials when a user logs on using a Microsoft account.
  • Addressed additional issues with application compatibility and Internet Explorer.
KB3201845 for Windows 10
KB3201845 for Windows 10

Windows 10 build 14393.479 (KB3201845) for PCs and phones is available immediately. The new update will download and install automatically, but you can always force the update from Settings > Update & security > Windows Update and clicking the Check for updates button.

For more details about the most recent Windows update, check out the this list with release dates, KB and build numbers, and more.

You can download this update directly from Microsoft using these link:

Update, December 14th, 2016: Be aware that a number of users have reported network connectivity problems after applying this update. The good news is that Microsoft has already fixed this issue with the KB3206632 update released on December 13th. (Check out the previous link to more details to get back online, if you still can’t connect to the internet.)

Originally published on November 30th, updated on December 14th

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 14 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and Email him at [email protected].