[German]The optional update KB4541335 released by Microsoft at the end of March 2020 for the Windows 10 versions 1903 and 1909 causes nasty issues for some users. These range from installation errors to to blue screens.
The update KB4541335 for Windows 10 V190x
The optional update KB4541335 dated March 24, 2020 is cumulative and raises the OS build to 18362.752 (Windows 10 V1903) or 18363.752 (Windows 10 V1909). The update is available for Windows 10 version 1903, for Windows 10 version 1909, and for Windows Server version 1903 and Windows Server version 1909. It contains quality improvements but no new operating system features.
Various installation errors
I had listed the list of changes in the blog post Windows 10 190x: Update KB4541335. Microsoft does not report any known issues with this update. In the above blog post I already pointed out that some users cannot install the update. The installation stops with Error 0x800f0831 (ERROR_SXS_ASSEMBLY_MISSING), 0x800f0922, 0x800f0986 (see e.g. here, here, here), 0x80070003 (Path Not Found, see also here), 0x80070490 (see also here) or general problem messages or causes other errors (see e.g. here). In the linked articles at the end of the article I partly deal with these installation errors.
Temporary user profile
The well-known bug that is already present in the latest updates (see Windows 10: Update KB4532693 kills user data/profile) also affects some users of update KB4541335 (see this MS Answers forum post with meanwhile 3 pages of user messages). After installing the update, a temporary user profile is loaded during user login. The only thing that helps here is to uninstall the update and wait for the next patchday.
BlueSceen Page Error in Nonpaged Area and Connection Manager
In this Microsoft Answers forum post, a user reports a BlueScreen Page Error in Nonpaged Area. After uninstalling the update, this error is gone. In this specific case it is traced back to ArcSoft files. .
In this MS Answers forum post t a user complains about flickering of the screen and spontaneous restarts (probably after BlueScreen). He states the Windows Connection Manager as the cause.
Boot and performance problem after update installation
In this MS Answers forum post a user ran into the issue after installing the update, that his notebook becomes slow. Antivirus and firewall were disabled and the HP Support Assistant issued a warning. The user removed and suspended the update.
And this user reports, that after installing the KB4541335 update, the message 'No Operating system could be found' appears. The boot files are gone and the machine can no longer boot.
These are all single messages that will have different causes. However, it is unpleasant for the affected persons one way or another.
Fix for Freezes
Bodgan Popa from Softpedia describes in this article a workaround for an annoying problem he had. All applications caused the operating system to freeze when calling the Open or Save As dialog boxes. Most of the time, people fix it by killing the Explorer process in the Task Manager. The behavior seems to be related to the search settings. Bodgan Popa then disabled the options in Explorer to display recently used files and frequently used folders, and the problem was gone.
Windows 10 190x: Update KB4541335
Windows 10 V1903: Update install error 0x80073701 confirmed
Windows Server 2016: Feature-Installation Fehler 0x80073701
Win 7 SP1-Fehler 0x80073701 (Assembly Missing)
Windows: Patchday Issues March 2020?
Windows 10: Update error 0x800F0922
Windows 10 Update drops error 0x80070490
Windows 10: Update KB4532693 kills user data/profile
Windows 8.1: Update KB4537821 kills also user profiles
Windows 8.1/10: What's the status of the user profile bug?
Windows Server 2012/R2/Terminal server: Temporay user profiles after February 2020 Updates
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