Hi Esther, don't know the exact answer, but what you could do is check if plugin version is the same (or try to move .jar file from your laptop installation folder to other pc) and if ImageJ version the same.
Hope this can help you,
Rocco
Senior Microscopist
Crick Advanced Light Microscopy facility (CALM)
The Francis Crick Institute
1 Midland Road, NW1 1AT, London (UK)
https://roccodant.github.io/