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SL_E_HEALTH_CHECK_FAILED_MUI_FILES
Where this result is produced
SL_E_HEALTH_CHECK_FAILED_MUI_FILES is HRESULT 0xC004C4AE. It belongs to Genuine Validation. Its narrow boundary is: the validation health check finds altered or inconsistent language-specific MUI resources.
AllStat records “Genuine Validation detected tampered Windows binaries” for this HRESULT. That identifies the official outcome; the additional value is the producing object, evidence set, nearby conditions and safe verification path.
Objects and state transitions
| Stage | Role for this HRESULT |
|---|---|
| Validation contract | Template and parameters define the evidence expected for this OS workflow. |
| Evidence integrity | Blobs, tokens, hashes, signatures or binding data are parsed at the boundary. |
| Platform comparison | Protected files, firmware and license state contribute to the decision represented by this result. |
| Verdict | Validation cannot produce a trustworthy success while this result is returned. |
A later unlicensed, notification or grace-state message describes a consequence. Preserve the earliest event carrying this HRESULT for the same product object or service request.
What the constant itself tells you
| Signal | Interpretation |
|---|---|
| Family | This validation result should be correlated with the evidence producer and Windows build that consumed it. |
| Object | Protected platform files are part of the evidence. |
| Operation | The named operation began but could not complete or commit. |
| State | The suffix names the object or transition to inspect before any broad activation reset. |
Minimum diagnostic record
| Evidence | Question answered |
|---|---|
| Windows build, edition and servicing baseline | For this HRESULT: Which component produced the validation artifact? |
| template/blob/token version and producing component | For this HRESULT: Does its version match the Windows build and template? |
| earliest validation or Security-SPP event | For this HRESULT: Is the result malformed evidence, integrity damage, revocation or an explicit verdict? |
| affected path, expected/actual hash and language-pack identity | For this HRESULT: Can caller identity and elevation be captured before changing state? |
| caller identity and elevation | For this HRESULT: Does the evidence support “capture installed language packs, affected MUI paths and servicing history before component repair” rather than a failure in language-neutral core binaries? |
How to reproduce the same boundary
- Capture affected path, expected/actual hash and language-pack identity specifically for this HRESULT.
- Prove the distinction between the named boundary and a failure in language-neutral core binaries before remediation.
- After one supported change, repeat the same operation and compare state, events and response correlation for this HRESULT.
- Bind this result to the exact Application ID, Activation ID, edition and partial key.
- Record
0xC004C4AE, UTC time, caller and the first method or server request that returned it.
REM Evidence context: SL_E_HEALTH_CHECK_FAILED_MUI_FILES
cscript %windir%\system32\slmgr.vbs /dlv
DISM /Online /Cleanup-Image /ScanHealth
sfc /verifyonlyDo not merge these conditions
| Result | Different condition |
|---|---|
SL_E_HEALTH_CHECK_FAILED_NEUTRAL_FILES | the validation health check finds a mismatch in language-neutral protected Windows files |
SL_E_INVALID_AD_DATA | Active Directory-based activation evidence is malformed, incomplete or not valid for the current product |
SL_E_INVALID_TOKEN_DATA | token-based activation evidence reaches Genuine Validation but its token data is invalid for the requested product or session |
A focused reproduction for this exact result
| Control | Design |
|---|---|
| Failing fixture | A language pack is partially updated or copied from another build. |
| Single variable | Change only one protected file or language resource against a known-good component-store copy. |
| Positive control | The repaired file hash matches the expected build while licensing inputs stay constant. |
| Different result | If the experiment instead proves “the validation health check finds a mismatch in language-neutral protected Windows files”, follow that neighboring boundary rather than treating it as this result. |
This controlled comparison is stronger than a broad reset because it changes one prerequisite and leaves product identity, evidence source and observation method stable.
Recovery without broad resets
A supported correction is to capture installed language packs, affected MUI paths and servicing history before component repair. A representative incident is a language pack is partially updated or copied from another build.
Changes that make this code harder to diagnose
- avoid hand-editing signed blobs, protected files or firmware tables; it changes evidence without proving the named boundary.
- avoid using unofficial activation patches during integrity investigation; it changes evidence without proving the named boundary.
- avoid rebuilding stores before preserving hashes and event history; it changes evidence without proving the named boundary.
Technical references
- SoftwareLicensingProduct WMI class — official reference for the mechanism surrounding it.
- SoftwareLicensingService WMI class
- Repair a Windows image with DISM
- System File Checker command
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