I am georeferencing historical aerials from 1988 in QGIS 2.2.0. Sometimes it works perfectly and other times after I have places my points and start the georeferencer a window pops up saying:
"The selected file already seems to have a world file! Do you want to replace it with the new world file?" Yes/No.
I click yes thinking it will now take me to the transformation setting window to save my image, but nothing happens. This happens for images I haven't georeferenced before.
Please let me know what I am doing wrong.