How does ppsspp get the game icon and image

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The png is not causing the change to the lba.
UMDGen is changing the order no matter what change you do the to files...even if you extract the file and place the same file inside again(replacing the same file)

It's like this:
A correct lba would be one file take the space from 0 to 10000 for example and the next file take the space from 10000 to 50000
A false lba would be one file take space from 0 to 10000 and the next file from 15000 to 55000 leaving from 10000 to 15000 as empty space

Once UMDGen do any change the files,all those empty spaces are removed and the file that is placed at 15000 will be moved to 10000 and when the game tries to read a file at 15000,the game won't find it which will most likely result in freeze\black screen or crash