Yes, those are the errors
Reading E:\3DS\CIA\The Legend of Zelda Four Swords - Anniversary Edition (USA).cia
Installing...
Writing /title/00048004/4b513945/content/00000000.tmd...
Writing /title/00048004/4b513945/content/00000000.app...
Generating blank save at /title/00048004/4b513945/data/00000001.sav...
Generating /title/00048004/4b513945/content/cmd/00000001.cmd
Writing /title/00048004/4b513945/content/cmd/00000001.cmd
Traceback (most recent call last):
File "ci-gui.py", line 401, in install
File "custominstall.py", line 383, in start
KeyError: 0
Reading E:\3DS\Metal Gear Solid - Snake Eater 3D (USA).cia
Installing MGS SNAKE EATER 3D...
Writing /title/00040000/00081e00/content/00000000.tmd...
Writing /title/00040000/00081e00/content/00000000.app...
Traceback (most recent call last):
File "ci-gui.py", line 401, in install
File "custominstall.py", line 302, in start
File "custominstall.py", line 167, in copy_with_progress
File "c:\users\ian burgwin\desktop\custom-install\venv\lib\site-packages\pyctr\common.py", line 34, in decorator
File "c:\users\ian burgwin\desktop\custom-install\venv\lib\site-packages\pyctr\fileio.py", line 68, in read
PermissionError: [Errno 13] Permission denied
--------------------- MERGED ---------------------------
The Legend of Zelda - Four Swords Anniversary Edition is a DSiWare game that's not installed to the SD card.
Which Metal Gear Solid title are you referring? Snake Eater 3D, PS1 CIA forwarder of MSG1, or something like a GBC VC injection of MGS: Ghost Babel?
The weird thing is that with fbi I can install The Legend of Zelda Four Swords - Anniversary Edition (USA).cia without problems but Metal Gear Solid - Snake Eater 3D (USA).cia takes a long time... with fbi