There could be a few reasons for an unlit helicopter flying over Lankwitz at night. It's possible that the helicopter is conducting a military or law enforcement operation that requires stealth, such as surveillance or a rescue mission. Another possibility is that the helicopter is experiencing a technical issue with its lights, causing them to malfunction. Additionally, the helicopter could be participating in a training exercise that involves flying without lights to simulate nighttime combat scenarios. **

It is not accurate to label feet as "flat" or "normal" as there is a wide range of foot shapes and arch types that can be considered normal. Some people have lower arches, which may be referred to as "flat feet," while others have higher arches. Both types of feet can be considered normal and functional. It's important to focus on the overall health and function of the feet rather than categorizing them as flat or normal. **

"Foot" is the singular form, while "feet" is the plural form. For example, "I hurt my foot" refers to one foot, while "I hurt my feet" refers to more than one foot. It's important to use the correct form depending on whether you are referring to one or multiple feet. **

Closed windows of unlit rooms often appear dark or black from the outside because light cannot pass through the window into the room. Without any light entering the room, the interior appears dark in contrast to the brighter exterior surroundings. This lack of light reflection or transmission through the window creates the perception of darkness or blackness when viewed from the outside. **

Windows 7 updates may hang at 0% forever due to various reasons such as corrupted update files, conflicts with other software, insufficient disk space, or issues with the Windows Update service. Additionally, slow internet connection or server problems can also cause updates to stall at 0%. To resolve this issue, you can try restarting the Windows Update service, running the Windows Update Troubleshooter, or manually installing the updates. **

Windows 7 updates may hang at 0% due to various reasons such as corrupted update files, conflicts with third-party software, or issues with the Windows Update service. It could also be caused by a slow internet connection or insufficient system resources. To resolve this issue, you can try restarting the Windows Update service, running the Windows Update Troubleshooter, or manually installing the updates. If the problem persists, seeking help from Microsoft support or a professional technician may be necessary. **

To download old updates for Windows 7, you can visit the Microsoft Update Catalog website and search for the specific update you are looking for. Once you find the update, you can download it manually and install it on your Windows 7 system. It's important to note that Microsoft no longer provides updates for Windows 7 as it reached its end of support in January 2020, so downloading old updates may not be recommended for security reasons. **

No, Windows 7 does not always crash when updates are installed. While it is possible for updates to cause issues with the operating system, such as crashes or errors, this is not a guaranteed outcome. In many cases, updates are installed smoothly and without any negative impact on the system. It is important to regularly update Windows 7 to ensure that the operating system remains secure and stable. **