Merge pull request #2621 from TophattedWasTaken/mset9filenotfounderror

mset9-cli: add FileNotFoundError when removing MSET9 troubleshooting

Author: lilyuwuu

docs/installing-boot9strap-(mset9-cli).md

@@ -155,6 +155,7 @@ Do NOT skip this section! If you skip it, applications may crash unexpectedly an
     + You should see "Removed trigger file."
 1. Type `5`, then press Enter to remove MSET9
     + You should see "Successfully removed MSET9!"
+    + If you see "FileNotFoundError: [Errno 2] No such file or directory:" followed by a long file path containing "Nintendo 3DS", [follow the corresponding section of this troubleshooting guide](troubleshooting-mset9#mset9-application-script)
 1. Press Enter to close the MSET9 script
 
 <!--@include: ./_include/luma3ds-installed-note.md -->

docs/troubleshooting-mset9.md

@@ -143,6 +143,18 @@ One or more files that MSET9 needs to run is missing or corrupted. Re-download t
 
 ::::
 
+::: details FileNotFoundError: [Errno 2] No such file or directory
+
+To manually remove MSET9, follow these instructions:
+
+1. Navigate to the `Nintendo 3DS` folder on your SD card
+1. Open the 32 character long folder that you see
+1. You should see two folders, delete the folder containing garbled text
+1. If the remaining folder ends with _user-id1, remove _user-id1 by renaming it
+1. MSET9 is now removed, consider this a completion of Section IV
+
+:::
+
 ## MSET9 (exploit)
 
 ::: details Red screen after reinserting SD card (Section II Step 11)