FM 13 file won't open and hangs FM

[laguna92651]

I have a file that is built on top of the Starter Invoice app, FM13. All of a sudden it will no longer open. I tried recovering the file, but got the message that the file was rebuilt and no errors were detected. When trying to open the file it hangs FM, I have to use the Task Manager to close FM.The file still will not open, any ideas on how I can recover it? Thanks