Microsoft is now rolling out a cumulative update KB4476976 for PCs that are running Windows 10 October update. Interestingly, this is an optional update, meaning you can opt out from the this one and you will still do good. However, this does not mean Microsoft will give up on you that easily as the company will include this update with the next cumulative update which will release in the next month at Patch Tuesday. And you can escape it!

In the very last week, Microsoft released this update to Windows 10 Release Preview ring. Otherwise, the new update takes the O.S. to Build to 17763.292.

The cumulative update KB4476976 for PCs running Windows 10 October Update includes the following changes:

  • Addresses an issue that may cause Microsoft Edge to stop working with certain display drivers.
  • Addresses an issue that may cause third-party applications to have difficulty authenticating hotspots.
  • Addresses an issue that causes promotions of non-root domains to fail with the error, “The replication operation encountered a database error.” The issue occurs in Active Directory forests in which optional features like Active Directory recycle have been enabled.
  • Addresses an issue related to the date format for the Japanese era calendar. For more information, see KB4469068.
  • Addresses a compatibility issue with AMD R600 and R700 display chipsets.
  • Addresses an audio compatibility issue when playing newer games with 3D Spatial Audio mode enabled through multichannel audio devices or Windows Sonic for Headphones.
  • Addresses an issue that may cause audio playback to stop responding when playing Free Lossless Audio Codec (FLAC) audio content after using a Seek operation such as rewind.
  • Addresses an issue that allows users to uninstall apps from the Start menu when the “Prevent users from uninstalling applications from Start menu” group policy is set.
  • Addresses an issue that causes File Explorer to stop working when you click the Turn On button for the timeline feature. This issue occurs when the “Allow upload of user activities” group policy is disabled.
  • Addresses an issue that prevents users from installing a Local Experience Pack from the Microsoft Store when that language is already set as the active Windows display language.
  • Addresses an issue that causes some symbols to appear in a square box on a text control.
  • Addresses an issue with two-way audio that occurs during phone calls for some Bluetooth headsets.
  • Addresses an issue that may turn off TCP Fast Open by default on some systems.
  • Addresses an issue that may cause applications to lose IPv4 connectivity when IPv6 is unbound.
  • Addresses an issue on Windows Server 2019 that may break connectivity on guest virtual machines (VMs) when applications inject the low-resource flag on packets.
  • Addresses an issue that occurs if you create a page file on a drive with FILE_PORTABLE_DEVICE characteristics. The “Windows created a temporary warning” message appears.
  • Addresses an issue that causes Remote Desktop Services to stop accepting connections after accepting several connections.
  • Addresses an issue in Windows Server 2019 that causes a Hyper-V VM to remain at the bootloader screen for OS selection when restarting the machine. This issue occurs when Virtual Machine Connection (VMConnect) is attached.
  • Addresses an issue with rendering of end-user-defined characters (EUDC) in Microsoft Edge.

Nothing is perfect and so does this cumulative update. But Microsoft is kind enough to provide us some fixes for critical errors that you might encounter after installing this update.

Applications that use a Microsoft Jet database with the Microsoft Access 97 file format may fail to open if the database has column names greater than 32 characters. The database will fail to open with the error, “Unrecognized Database Format”.Use one of the following options:

Option 1: Modify the database to ensure that all column names are less than or equal to 32 characters.

Option 2: Convert the database to the .accdb file format. (Note: To use the .accdb file format, you must change the Connection string after conversion.)

The easiest way to convert is to use Microsoft Access 2010 or earlier.

  1. Use Microsoft Access to open a database that has an older file format.
  2. You will be asked if you would like to convert. Click Yes and save the database with the .accdb extension.

Option 3: Convert the database to a newer .mdb file format. (Note: This doesn’t require a change to the Connection string.)

  1. Use Microsoft Access to open a database that has an older file format.
  2. You will be asked if you would like to convert. Click Yes and save the database with the .accdb file extension.
  3. Open the .accdb.
  4. From the File menu, click Save as and select Access 2002-2003 Database.

Microsoft is working on a resolution and estimates a solution will be available early February.

After installing KB4480116, some users report that they cannot load a webpage in Microsoft Edge using a local IP address. Browsing fails or the webpage may become unresponsive.
  1. Open the Control Panel and select Internet Options.
  2. On the Security tab, select the Trusted Sites icon.
  3. Select the Sites button.
  4. Clear the check box for Require server verification (https:) for all sites in this zone.
  5. In the Add this website to the zone: box, type the local IP address that failed to load, such as
  6. Select the Add button.
  7. Select the Require server verification (https:) for all sites in this zonecheck box.
  8. Select the Close button.
  9. Select the OK button.
  10. Restart Microsoft Edge.

Microsoft is working on a resolution and will provide an update in an upcoming release.