NTLite requires high-level system access to mount .wim files. Always right-click and Run as Administrator , even in portable mode.
Instead of running the .exe to install, use a tool like 7-Zip to extract the contents of the installer directly to a folder on your USB drive. ntlite portable
Automate the Windows installation process by pre-configuring local accounts, regions, and serial keys. NTLite requires high-level system access to mount
The Ultimate Guide to NTLite Portable: Streamline Your Windows Deployment on the Go ntlite portable
If you link to drivers on a local drive ( C:\Drivers ), the portable app won't find them when moved to another PC. Always keep your source files (drivers/updates) on the same USB drive as NTLite.