

You being on 1.4.5 shouldn't be causing any issues... I mean, that's the version I installed it on.I did but got stuck here.
---HIYACFW HELPER---
This is an updated version for Au, USA, EUR, Jap DSI. Edited by LmN
Running self-check
Decrypting NAND
Error occured! Does this backup have the required NO$GBA footer? ([WinError 2] The system cannot find the file specified)
Press Enter to continue...
I was checking if me being on 1.4.5 was the problem.
00000002.app
flips.exe
hiyacfw_helper.py
nand.bin
are all in D:\HiyaCFW\for PC\ directory
I used twlnf to create the nand image.