What operating system? what Finale version?

Go to Menu > Window > Playback Controls

Click on Playback Settings (the loudspeaker on the right). Stop at: should be set to: End of Piece (is it perhaps set to 38?)

theplayback works 1 measure  and just stops and move very slow

tempo mark is 125

Not nearly enough information

https://makemusic.zendesk.com/hc/en-us/community/posts/215729367-General-Discussion-House-Rules 

We cannot read minds nor can we see your project or system. 

theplayback works 1 measure  and just stops and move very slow

Also while you are supplying the additional information you may want to start your own thread.

Go to Menu > Window > Playback Controls

Click on Playback Settings (the loudspeaker on the right). Stop at: should be set to: End of Piece (is it perhaps set to 38?)

That was the likely and correct answer to the OP.