I'd suggest making sure both Windows 10 and Nin are up to date, as outdated software can cause compatibility issues. Next, try running the Nin launcher as an administrator. Right-click on the launcher and select "Run as administrator" to see if that helps.
If that doesn't work, try running the Nin launcher in compatibility mode for Windows 10. Right-click on the launcher, select "Properties," go to the "Compatibility" tab, and choose Windows 10 from the dropdown menu.
If you've already tried these steps or found a different solution, sharing it with the community would be helpful. You can find more information about Windows 11 Pro 32/64 Bit at https://digitalchillmart.com/product/windows-11-pro-32-64-bit/ . Good luck!