Numerous people have reported instant success after updating to 5.5.1, but it's your choice.
Another thing you can try is resetting your browser's save data.

What do you mean by freeze? Does the console freeze on a white screen or a black screen with text?

 

Do you have an android phone? If so self host.

 

I really appreciate your replies, when i say freeze i mean that the browser start to loading a new page (after the "step 1 blabla" message but then it freeze inmediatly in the process, when i tried in wiiubru the error is different because it just need to try to enter this webpage to get the console crashed in a all black screen with random white pixels.
Im gonna try to self host this script and let you know what happen

EDIT: i self hosted homebrew files and now i get a black screen with random white pixels every time i tried (i always clean wii u browser data between atemps).
So im thinking about updating to 5.5.1

 

yeap, it seems that your webpage detects my firmware but then a white page loads without freezing it at all.
the other posibility would be that im setuping sd card with bad files but i took them from original source.

 

The truth is, most of us trying to build launch points online or offline do not have a 5.3.2 to play with. It's not that loadiine.ovh works better for 5.5.1 its just that the author doesn't have a 5.3.2 wii u to test with. I'm in the same boat with my AIO. I've done as much as I can for 5.3.2 users without having my own to test with.

 

I had the same problem with 5.3.2 and loadiine.ovh... Countless times...
Then i switched to self hosting (Android + Kafluke's files) and now i have 95% success.
Maybe 1 freeze from 20 tries. I preferred to spoofe instead of updating to 5.5.1