: If the .002 file was partially downloaded, the entire archive will fail its CRC (Cyclic Redundancy Check) check during extraction.
To access the contents of this file, you must treat the collection of parts as a single unit. A1.7z.002
: If you try to open .001 but the .002 file is missing or renamed, the extraction will fail with a "Payload Thick" or "Unexpected end of data" error. : If the
: Ensure you have A1.7z.001 , A1.7z.002 , and any other numbered parts in the same folder . A1.7z.002
: Install a compatible archive manager. 7-Zip is the native and recommended tool.
Do you have the of this archive (like .001) saved in the same folder?