I see what my mistake was. Went home and looked it up. The errata is for interacting with sprites. (they replaced software with compiling). I had assumed it applied to threading as well, which is my mistake.
Threading:
Software 3: 5 5 4
Resonance 5: 5 5 3 2 1
Fading:
Willpower 3: 5 2 1
Resonance 5: 5 4 3 2 1 (large straight

)
I believe this gives me a level 4 complex form sustained. So I need a fading resistance of 4 success to take no stun damage. Got 2, leaving me with 2 boxes of stun. Am I right?
Assuming so, my hacking is as follows:
Electronics Warfare 5: 4 4 3 1
Scan 4: 6 5 1
-2 for sustained complex form
Hacking 5: 5 4 3 3 1
Exploit 5: 6 5 2 2 1
Would like to use my second of four services with my crack sprite to assist me. Again, not sure if this entire process is a single attempt (not including the threading) so I will post the rolls seperately. If I had to choose only one roll to be augmented, I'll choose the EW+Scan test.
Rating 5 Crack Sprite:
EW + Scan: 6 5 4 3 2
Hack + Exploit: 5 5 4 4 2
Total Success for Scan the Pan: 4
Total Success for Hack the Line: 3 (5 with Crack Sprite assistance)