Microsoft releases KB4550945 for Windows 10 version 1903 and 1909

Microsoft released a new cumulative update for the company's Windows 10 operating system. KB4550945 for Windows 10 version 1903 and 1909 brings the builds of the two versions of Windows 10 to 18362.815 and 18363.815 respectively.
The update is an optional update and most Windows customers may want to ignore it for now as it will be included in next month's Patch Day to avoid issues that it may introduce.
Windows administrators who install it should back up the system before doing so to get a restore option that is independent from the options provided by Windows.
KB4550945
- Support page
- Microsoft Update Catalog (direct downloads)
The update is identical regardless of whether it is installed on Windows 10 version 1903 or 1909.
Here are the improvements, fixes, and changes:
- Fixed an issue that prevented certain applications from starting after upgrading from previous versions of Windows.
- Fixed an issue that turned off notifications for devices that use VPNs on a cellular network.
- Fixed an issue that prevented the resuming of Xbox games on Windows after upgrading from previous versions of Windows.
- Fixed an issue that caused boxes with multiple lines of text to stop responding.
- Fixed an issue that prevented the touch keyboard from showing up during sign-in.
- Fixed an issue that prevented the touch keyboard from opening in UWP apps when USB devices were connected.
- Fixed a issue that displayed incorrect folder properties when the path is longer than MAX_PATH.
- Fixed an issue that prevented the "correct" lock screen from appearing.
- Fixed an issue that generated unexpected notifications related to changing the default application settings.
- Fixed a sign-in screen being blurry issue.
- Fixed a Windows Update issue that caused it to stop responding when checking for updates.
- Fixed an issue that prevented the Sign-in optinos page from opening when using the ms-settings:signinoptions-launchfingerprintenrollment URI.
- Fixed a Bluetooth group policy setting issue on Microsoft Surface Pro X devices.
- Fixed a KERNEL_SECURITY_CHECK_FAILURE (139) stop error on resume from sleep when certain Bluetooth headsets are turned on.
- Addressed a reliability issue in WDF01000.sys.
- Fixed a logman.exe error that threw the error "A user account is required in order to commit the current Data collector Set properties".
- Fixed an issue that prevented administrators from setting REG_EXPAND_SZ keys in some automated scenarios.
- Fixed a memory leak in LsaIso.exe.
- Fixed an issue that caused the Trusted Platform Module initialization to fail.
- Fixed an issue that prevented hash signing using Microsoft Platform Crypto Provider for TPMs from working correctly.
- Fixed an issue that prevented programs running in Azure Active Directory environments from receiving account change notifications.
- Fixed an issue that caused the system to stop working with a 0x3B stop code when running binaries with revoked certificates.
- Fixed a Windows Defender Application Control policies merging issue.
- Fixed an issue that prevented users from changing their PIN after connecting a device to Microsoft Workplace Join.
- Fixed a printing issue that prevented content outside of margins from being printed.
- Fixed a Microsoft Internet Information Services management tools issue that prevented the managing of ASP.NET applications if these had SameSite cookie settings in web.config.
- Fixed a Microsoft Edge issue that caused it to stop working when attempting to paste when cut and paste functionality has been disabled using a policy and Windows Defender Application Guard was active.
- Fixed a Clipboard service issue that caused it to stop working when signing out.
- Fixed a black screen in Windows Virtual Desktop issue during sign-in.
Microsoft lists no know issues.
Microsoft announced some time ago that it won't release optional updates for Windows anymore (for the time being) starting next month.
Now You: have you installed the update? What is your experience?


What mental age of reader are you targeting with the first sentence? 10?
Why not write an article on how to *avoid* upgrading from W10 to W11. Analogous to those like me who avoided upgrading from 7 to 10 for as long as possible.
If your paymaster Microsoft permits it, of course.
5. Rufus
6. Ventoy
PS. I hate reading these “SEO optimized” articles.
I used Rufus to create an installer for a 6th gen intel i5 that had MBR. It upgraded using Setup. No issues except for Win 11 always prompting me to replace my local account. Still using Win 10 Pro on all my other PCs to avoid the bullying.
bit pointless to upgrade for the sake of upgrading as you never know when you’ll get locked out because ms might suddenly not provide updates to unsupported systems.
ps…. time travelling?
written. Jan 15, 2023
Updated • Jan 13, 2023
This happens when you schedule a post in WordPress and update it before setting the publication date.
Anyone willing to downgrade to this awful OS must like inflicting themselves with harm.
I have become convinced now that anybody who has no qualms with using Windows 11/10 must fit into one of the following brackets:
1) Too young to remember a time before W10 and W11 (doesn’t know better)
2) Wants to play the latest games on their PC above anything else (or deeply needs some software which already dropped W7 support)
3) Doesn’t know too much about how computers work, worried that they’d be absolutely lost and in trouble without the “”latest security””
4) Microsoft apologist that tries to justify that the latest “features” and “changes” are actually a good thing, that improve Windows
5) Uses their computer to do a bare minimum of like 3 different things, browse web, check emails, etc, so really doesn’t fuss
Obviously that doesn’t cover everyone, there’s also the category that:
6) Actually liked W7 more than 10, and held out as long as possible before switching, begrudgingly uses 10 now
Have I missed any group off this list?
You have missed in this group just about any professional user that uses business software like CAD programs or ERP Programs which are 99% of all professional users from this list.
Linux doesn’t help anyone who is not a linux kid and apple is just a fancy facebook machine.
Microsoft has removed KB5029351 update
only from windows update though
KB5029351 is still available from the ms update catalog site
1. This update is labaled as PREVIEW if it causes issues to unintelligent people, then they shouldn’t have allowed Preview updates ot install.
2. I have installed it in a 11 years old computer, and no problems at all.
3. Making a big drama over a bluescreen for an updated labeled as preview is ridiculous.
This is probably another BS internet drama where people ran programs and scripts that modified the registry until they broke Windows, just for removing stuff that they weren’t even using just for the sake of it.
Maybe people should stop playing geeks and actually either use Windows 10 or Windows 11, but don’t try to modify things just for the sake of it.
Sometimes removing or stopping things (like defender is a perfect example) only need intelligence, not scripts or 3rd party programs that might mess with windows.
Windows 11 was a pointless release, it was just created because some of the Windows team wanted to boost sales with some sort of new and improved Windows 10. Instead, Microsoft cannot support one version well let alone two.
Windows 11 is the worst ugly shame by Microsoft ever. They should release with every new W11 version a complete free version of Starallback inside just to make this sh** OS functionally again.
motherboard maker MSI has recently released a statement regarding the “unsupported processor” blue screen error for their boards using Intel 600/700 series chipsets & to avoid the KB5029351 Win11 update:
https://www.msi.com/news/detail/MSI-On–UNSUPPORTED-PROCESSOR–Error-Message-of-Windows-11-Update-KB5029351-Preview-142215
check out the following recent articles:
Neowin – Microsoft puts little blame on its Windows update after UNSUPPORTED PROCESSOR BSOD bug:
https://www.neowin.net/news/microsoft-puts-little-blame-on-its-windows-update-after-unsupported-processor-bsod-bug/
BleepingComputer – Microsoft blames ‘unsupported processor’ blue screens on OEM vendors:
https://www.bleepingcomputer.com/news/microsoft/microsoft-blames-unsupported-processor-blue-screens-on-oem-vendors/
While there may be changes or updates to the Windows 10 Store for Business and Education in the future, it is premature to conclude that it will be discontinued based solely on rumors.
My advice, I left win 15 years ago. Now I’m a happy linux user (linuxmint) but there is Centos, Fedora, Ubuntu depending on your needs.
motherboard maker MSI has recently released new BIOS/firmware updates for their Intel 600 & 700 series motherboards to fix the “UNSUPPORTED_PROCESSOR” problem (Sept. 6):
https://www.msi.com/news/detail/Updated-BIOS-fixes-Error-Message–UNSUPPORTED-PROCESSOR–caused-BSOD-on-MSI-s-Intel-700-and-600-Series-Motherboards-142277
I try to disable the Diagnostics Tracking Service (Connected Devices Platform User Services) but it wont let me disable it, any help will be greatly appreciated.
Tank you for your help