So my installation of Kontakt 8 Player has been broken for whatever unknown reason. So I uninstall Kontakt 8 Player, then I went to the "Repair" button then "Reinstall" which seems to do the reinstall operation and it says that the installation has been successful which is fake btw, nothing is reinstalled, it did ran the installer process actually as I can see from my Task Manager, but in the end, nothing was installed.
By the way I did the steps from "How to Uninstall Kontakt 8 Player" very precisely by going to C:\Users\Public\Documents\Native Instruments\installed_products\ and deleting the Kontakt 8.json file, but guess what? after I launch the Native Access again, it came back lol, so what's the point? I didn't do anything wrong by following the procedure exactly as it said, so the only thing I wanted to do which is only to reinstall Kontakt 8 Player got interrupted again by the stupid Updates notification as if I still installed Kontakt 8 Player (I completely uninstalled it).
So I went to do the brute force way to get the installer file by starting the "reinstall" process again, then monitoring the C:\Users\Public\Downloads\ as the default NA temp download storing files, after it's installing (completely downloaded) I grab the downloaded Kontakt 8 Player installer .zip file and copy-pasted it somewhere else because it gets automatically deleted later.
With the installer file I copied, I have an .exe file inside the .zip and I have to surgically find the .exe and .vst3 file which I needed by extracting the .exe file using 7-Zip program, which is stupid thing to do but I don't have other choice and it works and I can use it, so my problem is solved now? NOT AT ALL! because I shouldn't do that, it was a dirty installation, so the windows don't actually think it's installed because I can't see it in the "add/remove program" list.
Also I had to do exactly those unnecessarily stupid steps before when I attempted to reinstall Native Access and the NTKDaemon keeps failing to install because somehow all installer files just refused to copy the necessary files to the destination and yes I had to manually do that too, the exact same thing I did with Kontakt 8 Player, which making the installers didn't do their only job like it said it did, by falsely giving "installation successful" prompt.
This is the worst experience of licensing app I ever been through. What did I possibly do wrong to break every installers making everything won't work as intended. This only happens with NI products btw so I don't know where else to go to ask for help.