Now with the new version, kernel_fix script is no longer required. Everything should be completed automatically and smoothly. No need for sudser either.
If the installer bails out while commencing checks, it is probably the folder /and exists, or your battery charge is low (below 20%).
Please test and feed me back, I really need to start creating a GUI before heavy school weeks approach, please feedback.
I will probably make the GUI using QT, was thinking of zenity as I am well familiar with it, but found that this will make a good reason to learn QT.