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QPLIST_E_READ_ERROR
The property-list file could not be read completely
QPLIST_E_READ_ERROR is HRESULT 0x80041652. Windows documents it as “Read error in file.”
Operation and state
This result belongs to legacy Windows property-list parsing and is returned while reading bytes from an already opened property-list source. The exact condition is: a short read, concurrent replacement, storage error, truncation or encoding defect interrupts input.
This value belongs to the legacy property-list parser used to describe indexed properties and their types. Diagnose the external list as structured configuration: preserve line, column, token, type grammar and the property-list version instead of treating the file as arbitrary text. The exact public message comes from the legacy SDK contract; current property-system documentation does not replace the property-list grammar that rejected this file.
Failure paths to examine
Rejection of the property list does not yet distinguish file access, tokenization, type composition, GUID syntax or duplicate-definition failure.
Data to collect first
- Record read offset before releasing the relevant objects.
- Associate encoding marker with the exact UTC timestamp and correlation identifier.
- Compare failing and known-good values for hash before and after under the same provider or handler version.
- Record the source and normalization path of concurrent writer evidence, not only its display form.
Hash the complete file if it is sensitive while retaining encoding, line, column, raw token class and the surrounding property declaration.
Step-by-step diagnosis
- Capture file size and identifier and read offset at the call boundary that returns this result.
- Confirm the operation reached reading bytes from an already opened property-list source with the intended encoding marker.
- capture the failing offset, requested/returned byte count and stable file identity.
Begin with a one-property list accepted by the same parser, then restore the failing declaration token by token while preserving encoding and line endings.
Continuation policy
Make the file stable, verify its complete hash and replace it atomically from a trusted copy when corrupt. Delay cannot repair a deterministic file, token or type-grammar defect; retry only after the property list or its readable source changes.
Limits of this HRESULT
It does not prove that every property definition is unusable or that reindexing is required; it identifies a property-list read or grammar boundary.
Distinguishing similar results
QPLIST_E_CANT_OPEN_FILE fails before a usable handle exists.
Developer and administrator guidance
Operational case
A deployment tool rewrites the file in place while Indexing Service starts. Atomic replacement removes the observed short-read race.
Official Microsoft references
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