More details please...

- Does this happen on both IC-408 Fierys?
- Is it reproducible at will or randomly?
- Are both IC-408's running v2.0 system software?
- what is version(s) of Command WorkStation (CWS) used?
- are you doing drag & drop, and/or are you importing files into CWS? - does it make a difference in regards to this issue?
- how are PDF's created?