Even with the right file, things can go wrong. Here are the most frequent issues:
Problem A: "The save file is corrupt."
Problem B: Characters are unlocked, but palettes are missing.
Problem C: The game resets to zero after restart. super smash bros crusade 100 save
Problem D: Linux/Mac (Wine/CrossOver) Issues.
There are several legitimate reasons to seek out a complete save file:
Clear Classic Mode for each character
Finish Adventure Mode / Story Mode
Complete Event Matches / All-Star / Extra modes
Collect trophies/items/stage unlocks
Achieve required records
Verify completion and tidy up