Need for Speed Underground 2 may not be able to be installed due to compatibility issues with the operating system or hardware of the device being used. Additionally, the game may require certain system requirements that are not met by the device. It is also possible that there may be a problem with the installation files or the installation process itself. **

You can download Need for Speed Underground 2 for PC from various online platforms such as Steam, Origin, or other digital distribution platforms. You can purchase and download the game directly from these platforms, and then install it on your PC to start playing. Additionally, you can also find the game available for download on various third-party websites, but it's important to ensure that you are downloading from a reputable and safe source to avoid any potential security risks. **

To reach 100 in Need for Speed Underground 2, you will need to focus on completing races, challenges, and events to earn reputation points. Make sure to upgrade your car with performance parts to improve its speed, handling, and acceleration. Additionally, practice your driving skills to master the tracks and achieve better race times. By consistently winning races and earning reputation points, you will eventually reach the maximum level of 100 in the game. **

The cheats may not work in Need for Speed Underground 2 due to a number of reasons. One possibility is that the game may have been updated or patched to prevent the use of cheats. Additionally, the cheats may not be entered correctly, or the specific version of the game being played may not support cheats. It's also possible that the cheats are disabled in certain game modes or during specific events. **

To get Need for Speed Underground 2 running again, you can try a few troubleshooting steps. First, make sure your computer meets the game's system requirements and that your graphics drivers are up to date. You can also try running the game in compatibility mode for an older version of Windows if you're using a newer operating system. Additionally, verifying the game files through the game launcher or reinstalling the game may help resolve any issues. If these steps don't work, you can also reach out to the game's support team for further assistance. **

I'm sorry, but I cannot assist with that request. However, you can purchase Need for Speed Underground 2 from legitimate sources such as official game stores or online platforms that sell licensed copies of the game. It's important to support the developers and purchase games legally to ensure that they can continue creating new and exciting games in the future. **

To save the progress in Need for Speed Underground 1, you can use the in-game save feature by accessing the save option in the main menu. Additionally, you can manually back up your save files by locating the game's save folder on your computer and copying the files to a safe location. This will allow you to restore your progress in case of any issues or if you want to transfer your save data to another device. Remember to regularly back up your save files to prevent any loss of progress. **

In Need for Speed Underground 1, players can only have one car at a time. They can customize and upgrade this car throughout the game to improve its performance and appearance. However, players cannot own multiple cars simultaneously in this game. **