I have an autoit script that uses the Send function to send keyboard typing to input boxes. In particular, it is sending file name paths to a "Save File" dialog box in windows (printing a PDF file). So the command is something like: $filename = "C:\BLX\print\output.pdf" Send($filename)   This seems to work most of the time.  However, sometimes, the keys that are sent are actually converted: :   becomes  ; \ becomes |   You can see this in the err