26100 is the most unstable, most changed servicing stack they will never stop breaking it and making it worse can you test adding SSU-26100.9441 to 26100.1 image, then add 1742 LCU msu alone?
I tested this with 26100.1 boot.wim Spoiler: 26100.1 boot.wim Code: C:\Users\usr>dism /Mount-Wim /wimfile:F:\\upds\boot.wim /index:1 /mountdir:F:\\33\mnt /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Mounting image [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\\33\mnt /Add-Package /PackagePath:F:\\11\SSU-26100.9441-x64.cab /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.1 Processing 1 of 1 - Adding package Package_for_ServicingStack_9441~31bf3856ad364e35~amd64~~26100.9441.1.11 [==========================100.0%==========================] The changes due to package Package_for_ServicingStack_9441 requires the current servicing session to be reloaded. All the packages will be processed again. The operation completed successfully. C:\Users\usr>dism /Image:F:\\33\mnt /Add-Package /PackagePath:F:\\22\windows11.0-kb5043080-x64_LCU_1742.1.10.msu /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.1 Processing 1 of 1 - [===========================80.0%============== ] Error: 87 Package F:\\22\windows11.0-kb5043080-x64_LCU_1742.1.10.msu may have failed due to pending updates to servicing components in the image. Try the command again. The DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log if it doesn't work with boot.wim then it's still broken I can try with the install.wim Spoiler: 26100.1 install.wim Code: C:\Users\usr>dism /Mount-Wim /wimfile:F:\upds\install.wim /index:1 /mountdir:F:\33\mnt /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Mounting image [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Add-Package /PackagePath:F:\11\SSU-26100.9441-x64.cab /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.1 Processing 1 of 1 - Adding package Package_for_ServicingStack_9441~31bf3856ad364e35~amd64~~26100.9441.1.11 [==========================100.0%==========================] The changes due to package Package_for_ServicingStack_9441 requires the current servicing session to be reloaded. All the packages will be processed again. The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Add-Package /PackagePath:F:\22\windows11.0-kb5043080-x64_LCU_1742.1.10.msu /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.1 Processing 1 of 1 - [===========================80.0%============== ] Error: 87 Package F:\22\windows11.0-kb5043080-x64_LCU_1742.1.10.msu may have failed due to pending updates to servicing components in the image. Try the command again. The DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log same issue with the install.wim folder 22 from log has only windows11.0-kb5043080-x64_LCU_1742.1.10.msu file
latest manual test Spoiler: 26100.1 install.wim Code: Microsoft Windows [Version 10.0.28000.2954] (c) Корпорация Майкрософт (Microsoft Corporation). Все права защищены. C:\Users\usr>dism /Mount-Wim /wimfile:F:\upds\install.wim /index:1 /mountdir:F:\33\mnt /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Mounting image [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Add-Package /PackagePath:F:\11\SSU-26100.9441-x64.cab /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.1 Processing 1 of 1 - Adding package Package_for_ServicingStack_9441~31bf3856ad364e35~amd64~~26100.9441.1.11 [==========================100.0%==========================] The changes due to package Package_for_ServicingStack_9441 requires the current servicing session to be reloaded. All the packages will be processed again. The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Add-Package /PackagePath:F:\22\windows11.0-kb5124008-x64_LCU_9445.1.26.msu /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.1 Processing 1 of 1 - [==========================100.0%==========================] [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Cleanup-Image /StartComponentCleanup /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.9445 [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Cleanup-Image /StartComponentCleanup /ResetBase /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.9445 [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:F:\sxs /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.9445 Enabling feature(s) [==========================100.0%==========================] The operation completed successfully. C:\Users\usr>dism /Image:F:\33\mnt /Add-Package /PackagePath:F:\22\windows11.0-kb5124008-x64_LCU_9445.1.26.msu /English Deployment Image Servicing and Management tool Version: 10.0.28000.2804 Image Version: 10.0.26100.9445 Processing 1 of 1 - Expand [==========================100.0%==========================] [==========================100.0%==========================] The operation completed successfully. C:\Users\usr> everything looks fine, but W10MUI needs to be tested separately