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NS_E_WMPFLASH_INCOMPATIBLEVERSION
Where the result originates
NS_E_WMPFLASH_INCOMPATIBLEVERSION means a Flash ActiveX component was found, but its interface or version is incompatible with the Windows Media Player host.
The result comes from the legacy control negotiation step after COM activation succeeds. A representative case is an old SWF workflow loads a control whose registered version no longer implements the interface expected by the Player.
Evidence to preserve
Flash control version, CLSID and file signature, WMP version, process architecture, media file, and the first QueryInterface or version check failure.
Evidence that survives retries
A controlled verification sequence
- Record and verify: Flash control version, CLSID and file signature, WMP version, process architecture, media file, and the first QueryInterface or version check failure.
- Run the controlled comparison: reproduce only in an isolated legacy image with the historically matched component set.
Nearby results that mean something else
| HRESULT | Meaning in the standard description |
|---|---|
NS_E_WMPFLASH_CANT_FIND_COM_SERVER | To play the selected item, you must install the Adobe Flash Player; To download the Adobe Flash Player, go to the Adobe Web site. |
NS_E_WMPOCXGRAPH_IE_DISALLOWS_ACTIVEX_CONTROLS | Windows Media Player cannot play the file because your Internet security settings prohibit the use of ActiveX controls. |
NS_E_IE_DISALLOWS_ACTIVEX_CONTROLS | Windows Media Player cannot play the file because your Internet security settings prohibit the use of ActiveX controls. |
Here, the COM-server-not-found result means activation could not locate the component at all.
Repair at the owning layer
For this occurrence, convert the content or preserve it in a controlled legacy environment; current systems should not be repaired by restoring unsupported Flash.
Authoritative references
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