ERROR:couldn't execute "/usr/share/applications/gpt": no such file or directory

when i extracted sentinel-1 data ,error occurred:couldn’t execute “/usr/share/applications/gpt”: no such file or directory
so did i install PolSAR wrong?please help me

you have to make sure that the link to SNAP is set correctly. Please have a look here: Help installing PolSARpro software step by step on detailed on the windows 7 system