: Most KaOs repacks are intended for single-player use only. Unless stated otherwise, they do not include multiplayer functionality "out of the box".
For a look at a typical KaOsKrew installer and its accompanying music, you can view this showcase:
If you encountered this phrase in a technical support context (e.g., "my KaOs repack won't install"), the typical fixes include: running as admin, disabling AV, reinstalling redistributables, or checking for corrupted archive files ( .r00 , .r01 , etc.).