The computer can't save the file because of a setup error. The solution is as follows:

1. Press WIN+R at the same time to open the running window, enter "regedit" and press Enter to open the Registry Editor.

2. Then navigate to HKEY _ Current-User \ Software \ Microsoft \ Windows \ Current Version \ Explorer \ User Shell Folder.

3. After that, find and double-click "MyPictures", change the numerical data to "%USERPROFILE%Pictures", and change the image saving path to the real location path corresponding to the photo library you are currently using.

4. In addition, you can restore the image saving path by modifying the image library properties: open this pc-Pictures in turn, right-click the image and select Properties.

5. On the picture property page, click Location-Restore Default Value, and then click Apply-OK to save to restore the default path.