A problem affects the installation of update KB5001716 for Windows 10, released in early March 2024 by Microsoft. Fortunately, this has no consequences for the operation of the system and a workaround has already been found.
A new hiccup has once again disrupted the smooth deployment of an update for Windows. This time, it is the number KB5001716 for Windows 10, versions 22H2, 21H2, 21H1 and 1809, which encounters a problem during its installation and generates a failure accompanied by the error code 0x80070643. More precisely, it is the “update of an update” (yes, it exists in the Windows world) previously deployed under the same number, KB5001716 therefore, whose aim is to “download and install feature updates on your device if it is nearing or has reached the end of support for your currently installed Windows version“, according to the terms of the official note on the Windows Support site. It’s a little confusing, as always with Microsoft’s update system, but the important information to remember is that this patch provides a necessary service to computers with Windows 10 as the end of maintenance approaches. of the operating system, scheduled for October 2025.
It is therefore an essential update to install for users who want to delay their move to the next version of Windows as much as possible and prolong the use of their beloved Windows 10 as much as possible. Fortunately, the KB5001716 update failure is not as bad as it seems and there is already a simple solution to fix the problem, pending an official patch from Microsoft.
Error 0x80070643 on Windows 10 update KB5001716: a version conflict
Once again, the excellent English-speaking site Windows Latest has provided a precise description of the problem and the solution to correct it. The failure to install update KB5001716 is actually not really a problem. Remember, this is a refresh of a previous update with the same number, initially deployed in October 2023. The new version of the patch, published at the beginning of March 2024, downloads and installs correctly under the name “2024-03 Update for Windows 10 […] (KB5001716)”, but Windows Update then attempts to install the older iteration of the update, named “2023-10 Update for Windows 10 […] (KB5001716)” which causes a conflict and generates an installation failure in Windows Update, with the famous error code 0x80070643.
In the screenshot above taken by the site Windows Latest, we therefore see that a version of update KB5001716 dated March 204 is correctly installed and that another dating from October 2023 fails. The problem is therefore not critical and does not deprive the computer of the benefits of the update, but it can be annoying and worrying to have a persistent error message in Windows Update. To resolve this malfunction and make the error disappear, the English site gives the following solution: open the menu Settings > Apps & featuresfind a line titled “Update for Windows 10 […] (KB5001716)” in the list of applications, then select it and click Uninstall. Then restart your computer, open Windows Update then start checking for updates again and proceed with the suggested installations.
This manipulation should resolve the problem for some users, but not for all according to feedback from Windows Latest readers. On the Microsoft Answers forums, other solutions are proposedbut these are real gas plants which are clearly not within the reach of all users.
If you are faced with this problem and the first solution proposed did not resolve it, we advise you to wait for it to be resolved by Microsoft. According to information provided by the company to Windows Latest, the malfunction is known and will disappear on its own soon. The bug affecting the KB5001716 update for Windows 10 being (a priori) without impact on the proper functioning of the system, and being reduced to a painful but forgettable error message in Windows Update, there is in fact no reason to engage in time-consuming computer acrobatics.