You just need to press the recent applications menu (usually the first left button) in your phone.

Most of the times, it might be a temporary loading issue.

Usually when you open an app, you will see a black screen for few seconds and then app will crash with or without an error message. It is one of the most common problem in android operating system.

Send photos, videos from iPhone to computer with SHAREit.Common TechSmith Fuse App Problems and Troubleshooting Steps ✅ I'm getting black screen / white screen (blank screen) when I open TechSmith Fuse?.

Transfer files between iPhone and PC wirelessly using Zapya.

You can refer to following tutorials to send photos, videos from iPhone to computer:

They are both free, cross-platform file sharing apps. Windows users can make use of a third-party transfer app, such as SHAREit, Zapya, etc. If you use Snagit or Camtasia on Mac, you can simply use Apple AirDrop to load off media files from iPhone to Mac easily. Again the received photos and videos will be opened in Snagit or Camtasia app directly without saving a copy to your computer hard drive so you can edit them using your favorite TechSmith program instantly. Then select the photos, videos in Fuse library, choose Share, select the device or app to share with. Open the Library in Fuse app, browse to your albums or Camera Roll to import existing photos, videos from iPhone to the app. Transfer existing photos, videos to Snagit or Camtasia Also captured photos, videos in Fuse will only be saved to the Fuse, not your iPhone photo library, to avoid cluttering your iOS device. The media files will be transferred from your iPhone to PC or Mac and opened in Snagit or Camtasia app directly without saving a copy to your computer hard drive so you can edit them using your favorite TechSmith program instantly. Then tap Share button, select Snagit or Camtasia to send the captured videos or photo.

Open the TechSmith Fuse app on your iPhone or iPad, touch the Camera icon at the bottom to start taking pictures or recording videos. Capture photos, videos and send to Snagit or Camtasia

Techsmith fuse app