Reasons why Captivate 4 .swf files won't play in Presenter? By Kimberly Read I have a Captivate 4 (AS2) .swf file that I've inserted into a Presenter slide. When I insert the .swf sometimes I get this error message: When I publish the course, the .swfs that triggered this error message do NOT play - as a matter of fact, they don't even look like they are inserted in the slide any more. Some .swfs I've inserted do not receive this error message and play just fine. Any ideas as to why some Captivate 4 (AS2) .swf files won't play and are causing this error?