Tried uninstalling, reinstalling, replacing NTKdaemon.exe, etc. Now I have a headache.
tried just about everything, any suggestions?
You might want to tell what is your exact OS version when asking for help.
Did you check all of the below support articles ?
Fixing Software Update Installation Issues (Windows)
Use the System File Checker tool to repair missing or corrupted system files
Allow an app to access controlled folders
block third-party app installations in Windows 11/10 (for how to unblock)
Otherwise then if problem persist then contact N.I. Native Access and Installation Support
In case that you need guidance contacting support : How to contact NI Support and How to get in touch with our Customer Care