When you install a feature update in Windows 10 or 11, the following error message may appear.
What needs your attention The following things need your attention to continue the installation and keep your Windows settings, personal, files, and apps. This PC can't be upgraded to this version of Windows. Your PC has a driver or service that isn't ready for this version of Windows. Windows Update will automatically offer you this version of Windows once the issue has been resolved.
When you attempt to perform an in-place upgrade of Windows 10 or 11, the “Keep personal files and apps” option may be disabled. The following message appears at the bottom of the dialog:
Your files, apps, and settings can't be kept because you've chosen to install Windows 11 using a different language than you're currently using.
The KB5034204 (2014-01), KB5034765 (2014-02), and KB5035853 (2024-03) Cumulative updates may fail with the error code 0x800f0922, which indicates a rollback has occurred.
The update fails due to a version mismatch error. The CBS.log file may show the following entry:
Error 0x80070519 in WinREAgent::WinREServicingManager::InternalLoad (base\diagnosis\srt\winreagent\dll\winreservicingmanager.cpp:1044): Version mismatch, saved Servicing manager is in a different version
When you attempt to install a feature update, the error 0xc1420121 may appear.
The setupact.log may show the following entries:
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When you attempt to install a Feature Update, the error code 0x80070003 – 0x20008 may appear.
The Setupact.log file may show the following contents:Read more
When you install a Windows 10/11 Feature Update, the setup process may go until 87% and close automatically with an exception error 0xc0000005 that is recorded in the setup logs. A crash dump file may also be generated.
Setupact.log (in the Panther directory) contains these entries:Read more
When you try to upgrade to Windows 11 (22H2 or higher) from a previous build or an earlier Operating System, the error 0x80888002 occurs. The following is the error message verbatim.Read more
When you try installing the 2023-02 Cumulative Update for Windows 11 Version 22H2 for x64-based Systems (KB5022913), the error 0x800f081f may appear. We couldn’t install this update, but you can try again (0x800f081f) Cause This happens if a manifest file is missing from the computer. Resolution Follow these steps to restore the missing file. Download … Read more
When you run Windows Setup to repair or upgrade your Windows 10 or 11 computer, the Setup fails with the following error:Read more
There are many different types of diagnostic logs in Windows. Each log is to diagnose a specific component. The Windows Update client creates the Windows Update ETL or Windows Update log files, the Component-Based Servicing uses “cbs.log”, and the DISM tool writes to “dism.log”, etc.Read more