no map downloading allowed

  The file downloaded from the remote server is corrupted
  Maybe the requested region is too large or is not supported
  https://gis.ngdc.noaa.gov/cgi-bin/public/wcs/etopo1.asc?request=getcoverage&version=1.0.0&service=wcs&coverage=etopo1&CRS=EPSG:4326&format=aaigrid&resx=0.016666666666666667&resy=0.016666666666666667&bbox=-95,5,-80,17&filename=tmp.asc