0x80073701

ERROR_SXS_ASSEMBLY_MISSING

hresultdecimal 2147956481signed -2147010815Servicing and component store

Matched as: the code as given (hex)

HRESULT breakdown: code: 14081, customer: False, facility: 7, severity: failure (bit 31 set), wraps_win32: 14081, ntstatus_wrapped: False

Things to try

Click a command to select all of it, then copy.

Microsoft guidance: 0x80073701 (ERROR_SXS_ASSEMBLY_MISSING) untested here · 0 fixed, 0 not

risk: unknown

Error text on Microsoft's page: The referenced assembly couldn't be found. Typically, a component store corruption caused when a component is in a partially installed state.

Repair the component store by running Dism RestoreHealth command, or manually repair it by using the payload from the partially installed component. In an elevated Command Prompt window, run these commands: Dism.exe /Online /Cleanup-Image /Restorehealth Sfc.exe /Scannow Restart the device.

Source: vendor, Common Windows Update errors

Verify this fix (Enterprise subscription only)

Log how it went

(Enterprise subscription only)

Scripts that fix this

Export-UpdateLog untested here · 0 fixed, 0 not

needs adminrisk: safe

Collect the update logs. Zips CBS.log, the DISM log and the Windows Update log. Read only.

View the script

Repair-WindowsComponentStore untested here · 0 fixed, 0 not

needs adminrestart advisedrisk: low

Repair the Windows component store. Runs DISM ScanHealth, CheckHealth and RestoreHealth, then sfc /scannow.

View the script

Log a case with no specific solution

(Enterprise subscription only)

Source: Common Windows Update errors · CC-BY-4.0 (MicrosoftDocs/SupportArticles-docs, repo license verified 2026-10-09) · retrieved 2026-10-09