I am hitting the same issue. Upon attempting the recommended steps above with DISM, I hit the following error :
C:\Windows\System32> DISM /ONLINE /CLEANUP-IMAGE /RESTOREHEALTH
Deployment Image Servicing and Management tool
Version: 10.0.26100.5074
Image Version: 10.0.26200.7171
[==========================100.0%==========================]
Error: 0x800f0915
The repair content could not be found anywhere.
Check the internet connectivity or use the "Source" option to specify the location of the files that are required to restore the image. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077.
The DISM log file can be found at C:\Windows\Logs\DISM\dism.log
Upon examining the DISM log, I find :
2025-12-09 22:05:01, Info DISM DISM Package Manager: PID=9296 TID=9648 CBS is being initialized for online use. More information about CBS actions can be located at: %windir%\logs\CBS\CBS.log - CDISMPackageManager::Initialize
2025-12-09 22:05:01, Info DISM DISM Package Manager: PID=9296 TID=9648 Loaded servicing stack for online use. - CDISMPackageManager::CreateCbsSession
2025-12-09 22:05:01, Info CSI 00000001 Shim considered [l:123]'??\C:\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.26100.7295_none_a53f7c7777395343\wcp.dll' : got STATUS_SUCCESS
2025-12-09 22:05:01, Info DISM DISM Package Manager: PID=9296 TID=19828 Processing the top level command token(cleanup-image). - CPackageManagerCLIHandler::Private_ValidateCmdLine
2025-12-09 22:05:01, Info DISM DISM Package Manager: PID=9296 TID=19828 Attempting to route to appropriate command handler. - CPackageManagerCLIHandler::ExecuteCmdLine
2025-12-09 22:05:01, Info DISM DISM Package Manager: PID=9296 TID=19828 Routing the command... - CPackageManagerCLIHandler::ExecuteCmdLine
2025-12-09 22:05:01, Info DISM DISM Package Manager: PID=9296 TID=19828 CBS session options=0x40100! - CDISMPackageManager::Internal_Finalize
2025-12-09 22:19:41, Info DISM DISM Package Manager: PID=9296 TID=5984 Error in operation: The repair content could not be found anywhere. (CBS HRESULT=0x800f0915) - CCbsConUIHandler::Error
2025-12-09 22:19:41, Error DISM DISM Package Manager: PID=9296 TID=19828 Failed finalizing changes. - CDISMPackageManager::Internal_Finalize(hr:0x800f0915)
2025-12-09 22:19:41, Error DISM DISM Package Manager: PID=9296 TID=19828 The repair content could not be found anywhere. The image may be corrupted. Check the internet connection or try to restore the image using the /source option. - GetCbsErrorMsg
2025-12-09 22:19:41, Error DISM DISM Package Manager: PID=9296 TID=19828 Failed processing package changes with session options - CDISMPackageManager::Internal_ProcessChangesWithOptions(hr:0x800f0915)
2025-12-09 22:19:41, Error DISM DISM Package Manager: PID=9296 TID=19828 Failed processing package changes with session option CbsSessionOptionRepairStoreCorruption - CDISMPackageManager::RestoreHealth(hr:0x800f0915)
2025-12-09 22:20:24, Error DISM DISM Package Manager: PID=9296 TID=19828 The repair content could not be found anywhere. The image may be corrupted. Check the internet connection or try to restore the image using the /source option. - GetCbsErrorMsg
2025-12-09 22:20:24, Error DISM DISM Package Manager: PID=9296 TID=19828 Failed to restore the image health. - CPackageManagerCLIHandler::ProcessCmdLine_CleanupImage(hr:0x800f0915)
2025-12-09 22:20:24, Error DISM DISM Package Manager: PID=9296 TID=19828 Failed while processing command cleanup-image. - CPackageManagerCLIHandler::ExecuteCmdLine(hr:0x800f0915)
2025-12-09 22:20:24, Info DISM DISM Package Manager: PID=9296 TID=19828 Further logs for online package and feature related operations can be found at %WINDIR%\logs\CBS\cbs.log - CPackageManagerCLIHandler::ExecuteCmdLine
2025-12-09 22:20:24, Info DISM DISM Package Manager: PID=9296 TID=5984 Finalizing CBS core. - CDISMPackageManager::Finalize
2025-12-09 22:20:24, Info DISM DISM Manager: PID=4600 TID=10756 Closing session event handle 0x278 - CDISMManager::CleanupImageSessionEntry
2025-12-09 22:20:24, Info DISM DISM.EXE: Image session has been closed. Reboot required=no.
Any further recommendations? This is happening on brand new Asus ProArt system with Windows 11 Pro, 25H2, 26200.7171.