Do not try to patch the corrupt file further. Delete it to avoid confusion.
Since "unexpected end of archive" usually means the file is physically too short, redownloading is the most reliable fix. Do not try to patch the corrupt file further
If the problem persists after a fresh download, the source file itself is likely corrupted. Look for a different mirror or ROM site. Do not try to patch the corrupt file further
inside a game zip and "quarantines" it the moment you try to extract it. This causes the extraction to fail halfway through. Do not try to patch the corrupt file further