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| ERROR_CLIP_LICENSE_EXPIRED | ERROR_CLIP_LICENSE_NOT_SIGNED |
ERROR_CLIP_LICENSE_SIGNED_BY_UNKNOWN_SOURCE
The license signer is not an accepted CLiP source
ERROR_CLIP_LICENSE_SIGNED_BY_UNKNOWN_SOURCE (0xC0EA0007) means the license carries a signature, but CLiP cannot associate that signer with a trusted/recognized source for the product. The distinction matters: this is source trust, not malformed signature mathematics.
Trust evidence
Capture package/product identity, account/device context, signer chain or thumbprint, source/issuer identity, StoreContext result, and the first CLiP event. A valid certificate in a generic certificate viewer does not prove the signer is an authorized CLiP license issuer.
Corrective test
Obtain the entitlement from the expected Store or enterprise licensing source and repeat the same license lookup. Do not import license files from another machine or relax unrelated certificate trust settings.
Technical references
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