NX part files do not open when double-clicked.

NX part files do not open when double-clicked. Blank NX only opens.

1. Right click on the NX part file.
2. Select Open with.
3. Choose another app.
4. Choose an app on your PC.
5. Go to the NX installed folder.
6. Whichever NX version you would like to open select that and go to UGII folder.
7. Select ugs_router.exe
8. Open.
9. After the part file is opened in the desired NX version, you can close NX.
10. Double click on the part file, it will directly open in NX.