If Celestia refuses to install, it's because you're lacking installation rights, the package is corrupt, or the system does not have the necessary processing power, which isn't the case.
Download a new and updated version from the official website. Make sure to turn off any download managers. Try to download with the default browsers.
If Celestia refuses to install, it's because you're lacking installation rights, the package is corrupt, or the system does not have the necessary processing power, which isn't the case.
Download a new and updated version from the official website. Make sure to turn off any download managers. Try to download with the default browsers.