Before attempting technical repairs, try these simple shortcuts to see if the interface was just accidentally hidden.
| Symptom | Likely Fix | | :--- | :--- | | Entire menu bar is gone | Press or Ctrl+F8 | | Screen is fully grey/black | Disable Hardware Acceleration via Registry | | Only tab names show, no tools | Double-click a tab or press Ctrl+F1 | | Window is full-screen only | Press F11 | | Menu bar flashes then disappears | Run the Clean-Up Tool and reinstall | nitro pro menu bar missing
Before trying more complex steps, use these shortcuts to toggle the interface back: Update to the latest version from within Nitro
If the F9 key does not work, the most effective fix provided by Nitro Community Support is deleting the "BCG" registry key, which stores interface and toolbar settings. Before attempting technical repairs
Menu bar is missing - Crashing/Freezing - Nitro Community Forums
Outdated versions may have UI bugs. Update to the latest version from within Nitro (Help → Check for Updates) or from the official website.