ROM Hack Gateway 3DS microSD Tool

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Thank you for the post OP, seems like it is working for most people. I downloaded v12 of the file, and extracted it from the .zip, but when I run the command line with "gw3ds.exe scan F:", making sure the external drive is in F:, I get the error message "Windows cannot find 'gw3ds.exe'. Make sure you typed the name correctly, and then try again". Help would be greatly appreciate, thanks!
 
Where did you extract it to? You have to first cd to the proper directory, and if it's on a different drive, you have to use cd /D

Alternatively, enter the command into notepad and save it as a .bat file.

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Shit, idk how I got here, but maybe it will help someone later. I didn't mean to bump this thread.
 
Hey

what is the "_GW3DS_DO_NOT_DELETE.BIN" created in the card ?

It is a GW3DS bug. The exFAT partition info contains the cluster count, unlike FAT16/32 partitions. The first data cluster starts at number 2. Number 0 and 1 are reserved. If the number of clusters is "n" then the number of the last cluster is "n+2". There is probably a check somewhere in the GW3DS code to see if a cluster number is valid where they compare the cluster number against the cluster count, without adding/subtracting 2. My program "releases" those two last clusters if they are in use by a file and then creates a small file named "_GW3DS_DO_NOT_DELETE.BIN" in the root directory which will occupy the last two clusters, to prevent the fragmentation error from reoccurring.
 
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Hi guys, i have done the scanning and fixing but after checking. It still says defrag error.

Edit:
File system: exFAT
Fix fragmentation errors caused by Gateway 3DS exFAT bug ...
Fix fragmentation errors caused by game file fragmentation ...
Done

But after rescanning the same error is still there..
13 file(s)
Free space: -211681280 bytes (8 fragments, between 229376 and -1074429952 bytes
in size)
What should i do?

Edit 2: reformmated my sd card and put the games back in but OMG it still isn't fixed!?!??
 
Last edited by atrocious123,

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