I'm just following the guide as is. It's to install a CIA installer.
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Alright, I only got CFWPasta to work once, and I was an idiot and forgot Browserhax was a thing so I restarted and set Menuhax to start without any buttons. Now it doesn't want to load at all. When I tried to launch the devmenu2x.cia through FBI without Pasta, it failed due to "invalid signature" or something like that. I'll keep trying since I believe this is a pretty unstable app for the next few minutes, but if you know another way around this, let me know.
EDIT: Cleared things up
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For the record, here is the error I'm getting from FBI if I don't use Pasta:
Install failed!
DevMenu_2x.cia
Source: SOURCE_FSFILE_WRITE (0x1c)
Module: MODULE_NN_AM (0x20)
Level: LEVEL_PERMANENT (0x1b)
Summary: SUMMARY_INVALID_ARGUMENT (0x7)
Description: DESCRIPTION_INVALID_SIGNATURE (0x6a)
Press Start to continue.