We have had a couple reports of this problem.
At this time we have been unable to determine the cause of the problem and we do not know of a solution.
You might try the latest beta release, if this problem is a result of an error it will generate a debug.log in your FlashFXP with details of the crash, These details will allow us to find and correct the problem.
You can download the latest beta from here
http://www.flashfxp.org/~forum/showt...s=&postid=4274