Cause error when installing Skype on Mac?

Question

macOS

I downloaded Yandex Browser on Mac, the dmg file was unpacked, everything is beautiful.
I download the following dmg file, Skype. When unpacking it, the virtual disk on the desktop is signed as Yandex, therefore, when transferred to the Application folder, an error occurs: the operation cannot be completed because one or more required objects cannot be found (error code 43)
has already downloaded and reinstalled Skype and Yandex several times deleted a long time ago. Result 0