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COMADMIN_E_APP_FILE_READFAIL
COM+ application package and file operation: exact meaning of COMADMIN_E_APP_FILE_READFAIL
COM+ could not read an application installation file. InstallApplication or package inspection opens the supplied application file but cannot consume its data.
Windows describes this condition as “Error occurred reading the application file”.
Where the result occurs
The HRESULT belongs to COM+ package/import/export processing; the package path, file bytes, deployment identity, and target catalog must be correlated before changing the system. In the specific case of this result, preserve the package hash, file size, ACL, zone/source, transport history, and underlying read error before copying it elsewhere.
Evidence to collect before repair
- Collect exact source/destination paths and the caller identity when diagnosing this result; without it the symbolic HRESULT is underdetermined.
- Record file size, hash, version, signature, and timestamps.
- Preserve source and target Windows/COM+ versions; it anchors the failure to the real administration object.
- Evidence should include underlying file-system or package-validation error from events, captured before a repair changes state.
Diagnostic sequence
- The next diagnostic action is to preserve the original package before attempting repair.
- To isolate it, validate path access and package integrity under the actual identity.
- Compare export options and target-platform support.
- regenerate the package from a coherent source application when metadata is wrong.
- The next diagnostic action is to repeat the complete supported install/export operation and verify catalog state.
Practical administration scenario
A truncated application package exists at the expected path, but COM+ fails while reading its internal data.
Retry and recovery
Obtain a complete readable package from a trusted source and retry installation; do not repair arbitrary bytes.
Difference from nearby COMADMIN results
COMADMIN_E_APP_FILE_VERSION means the file was readable but its version was unacceptable.
Official Microsoft references
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