It says that the file is corrupted and unable to read such characters in its text editor and marks them whereas Windows just displays them perfectly in its notepad.
1 Answer
Ubuntu uses UTF-8 as the default character encoding, Windows seems to use some other encoding.
You either need to tell GEdit what character encoding to use for that file or to convert the file to UTF-8 (as far as I know Notepad allows you to save a file using UTF-8 encoding)
file /path/to/file
.