C:\Program Files\Common Files\Native Instruments\Service Center (Delete Kontakt 5.xml)

C:\Program Files\Common Files\Native Instruments\Kontakt 5

C:\Program Files\Native Instruments\Kontakt 5

C:\Program Files (x86\Native Instruments\Kontakt 5

C:\Program Files (x86)\Common Files\Native Instruments\Kontakt 5

C:\ProgramData\Native Instruments\Kontakt 5

C:\Users\PC\Documents\Native Instruments\Kontakt 5

C:\Users\PC\AppData\Local\Native Instruments\Kontakt 5

HKEY_CURRENT_USER\Software\Native Instruments\Kontakt 5

HKEY_LOCAL_MACHINE\SOFTWARE\Native Instruments\Kontakt 5

(optional)

HKEY_CLASSES_ROOT\.NKB

HKEY_CLASSES_ROOT\.NKI

HKEY_CLASSES_ROOT\.NKM

HKEY_CLASSES_ROOT\.NKP

HKEY_CLASSES_ROOT\.NKS

HKEY_CLASSES_ROOT\NI.Kontakt 5.nki

HKEY_CLASSES_ROOT\NI.Kontakt 5.nkm