This will happen if Delete imported media files from the device or media is not selected in the software settings. To select this feature, follow the steps below.
- Open the PlayMemories Home software.
- In the PlayMemories Home window, click Tools and then Settings.
- In the Settings window, on the left, click on Import.
- In the Import window, click to place a check in front of Delete imported media files from the device or media and then click the OK button.