You need to empty your cache file after each game session(or during if playing a long time)...if I svs I do it during at least once during a long svs run.....its been a known issue ...hmm...for years
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To empty the Disney cache file, I go to My Computer,,right-click C drive, open programs, scroll to Disney, open that...find Cache file....under edit, select all...under file choose delete..it will prompt you "....do you really want to delete 1700 items" or whatever yours is....say yes....this doesnt hurt anything- its freeing up game memory and helps remove corrupted files...you fill this cache up fast in potco....also when you do this note how many items you remove each time,,,the larger the number well you know you been sailing the briney seas a long, long time lol.....emptying the Disney cache file will decrease lag for lag sufferers as well.
good luck!