Moderate Severity
0x800f0831 Error: Windows Update Delta Manifest Failure
Error 0x800f0831 indicates that Windows Update cannot install an update because a prerequisite update is missing. Windows uses delta updates that build on previous updates, and if a required previous update was not installed, the chain breaks.
Common Causes
- Missing prerequisite cumulative update
- Corrupted Windows Update component store
- Previous update was uninstalled
- Update servicing stack is outdated
- Windows component store inconsistency
- System was reimaged without latest updates
- DISM cleanup removed required update components
Symptoms
- Specific cumulative update refuses to install
- Error appears for one update but others succeed
- Update fails at specific percentage during installation
- Windows Update log shows manifest hash mismatch
How to Fix 0x800f0831
- Install the most recent Servicing Stack Update first
- Download and install the previous cumulative update manually
- Run DISM /Online /Cleanup-Image /RestoreHealth
- Run SFC /scannow
- Reset Windows Update components
- Download and install the failing update from Microsoft Update Catalog
- Perform an in-place repair upgrade if nothing else works
What Is Error
Error code 0x800f0831 is a Windows HRESULT error code that translates to "Windows Update Delta Manifest Failure". HRESULT codes are hexadecimal values used throughout the Windows operating system to indicate specific error conditions. When you see this error, it means Windows or an application encountered the condition described above and could not continue the operation.
The error code format breaks down as follows: the leading 0x8 indicates a failure, the next digits identify the facility (the Windows subsystem that generated the error), and the remaining digits specify the exact error condition.
How Serious Is
Error 0x800f0831 is not typically an emergency, but it will prevent certain operations from completing. You can continue using your computer for other tasks while troubleshooting. Work through the fixes below in order, starting with the simplest solutions.