Virginizing is both dangerous and pointless. You are treading in dangerous waters, and it seems you can't swim. There is no need to update either, as that is dangerous as well and provides no benefit. 4.1 was the last System Menu to offer any features or bugfixes. Never follow failtube guides. We often have to clean up their mess because people brick (or semi-brick) following lousy and outdated guides. You say there is no benefit, but you are wrong. You had a lot of brick protection (Priiloader and the HBC), but now you are trying to get rid of it.
This is not an insult, I'm just trying to make a point.