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ERROR_SXS_DUPLICATE_TLBID
ERROR_SXS_DUPLICATE_TLBID — The activation context contains two components that publish the same COM type-library identifier.
The application manifest dependency graph resolves to more than one component with the same Type Library ID (TLBID). That makes the COM type library selection ambiguous.
Capture a Side-by-Side trace while starting the application, then compare the dependent assembly identities and their COM/type-library declarations. Do not solve this by copying an arbitrary DLL into the application directory.
What to check
- Inspect the application manifest and any app-local assembly manifests for duplicate COM type-library declarations.
- Make sure the application deploys one compatible version of the COM component for the selected processor architecture.
- Repair or reinstall the owning application when the conflicting manifests were installed by a product setup package.
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