The Windows update caused problems with copying and saving files

The Windows update caused problems with copying and saving files in 32-bit programs

Some 32-bit applications may experience crashes when saving and copying files after installing the next Windows update, especially when copying them to network shares, she reported. Microsoft.

    Image Source: Clint Patterson /

Image Source: Clint Patterson /

The intermittent issue only affects applications that support the “Detect Large Addresses” setting and the CopyFile API on Windows 11 21H2 and 22H2 (after installing KB5023774 and later updates) or Windows 10 21H2 and 22H2 (after installing KB5023773 and later updates). Microsoft clarified that the problem does not affect the performance of “Explorer”, but there may be problems with 32-bit versions of programs from the Microsoft Office suite, including Word and Excel – there is a possibility of a bug with the “Document not saved” message.

Out of all supported operating system versions, the bug has only been fixed in Windows 11 22H2 so far – for Windows 10 and Windows 11 21H2 it is fixed using the Known Issue Rollback (KIR) mechanism. The error is inherently benign: if it occurs, just try copying or saving the files again and it will likely go away.


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Robbie Elmers

Robbie Elmers is a staff writer for Tech News Space, covering software, applications and services.

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