Microsoft has released a new cumulative update for customers on the Windows 10 Anniversary Update, or version 1607.
The update that’s rolling out is KB4478877, so the build number is now 14393.2641.
You can manually download it here.
The fix is contains is the following:
- Addresses an issue that prevents the release of the on-demand Source Network Address Translation (SNAT) port allocated to a virtual machine (VM) after the SNAT port is no longer in use. As a result, the SNAT port becomes exhausted.
The following issues are also present you should know about:
- After you install the August Preview of Quality Rollup or September 11, 2018 .NET Framework update, instantiation of SqlConnection can throw an exception.For more information about this issue, see the following article in the Microsoft Knowledge Base: 4470809 SqlConnection instantiation exception on .NET 4.6 and later after August-September 2018 .NET Framework updates.
- After installing this update, users may not be able to use the Seek Bar in Windows Media Player when playing specific files. This issue does not affect normal playback.
- When features related to end-user-defined characters (EUDC) are used, the entire system may become unresponsive.
As usual you can manually install these updates or have Windows do the automatic install.