The filename that a plugin is stored in.
|JScript - 3.0|
|Internet Explorer - 4.0|
|Netscape - 3.0|
|Opera - 3.0|
|Property/method value type:||String primitive|
This property may help in diagnosing plugins that are not working. If you can find out where in the file system it has installed, you may be able to go and replace it with an up-to-date copy if it is failing to work.