[Recuva pro:files succesfully recovered - unable to open JPG]

I deleted file from sd card.OS is windows 10 64 bits.After deleted I not use sd card.

I paid Recuva professional and use recovery. Step above.

Support answer mail very slow.

[Recuva pro:files succesfully recovered - unable to open JPG]

1.Recuva professional can recovered file successes->STATUS FILE:Good and File not overwritten.But cannot preview picture.
2.Program “IrfanView”->Open file from recover->have Error "Can't read file header"
3.I'm rename file to "1.jpg"->Open file with “IrfanView” again ->have Error "Can't read file header"
4.I check file(s) into a Hex Editor, https://hexed.it/?hl=en.The file does not contain all zeros.

Please help me.