: If you only have the .001 file and no others, you will get an error like "Unexpected end of data" because the archive is incomplete.
: Use 7-Zip or WinRAR to open only the .001 file. Lasse12.7z.001
: Ensure you have downloaded every part (Lasse12.7z.001, Lasse12.7z.002, etc.) and placed them in the same directory. : If you only have the