Where do you see those numbers in the statement? Does it occur with all the customers? No, it is not possible to remove those columns from the customer statements. What version of Express Invoice do you have? You can try to reinstall the program using this link: https://www.nchsoftware.com/invoice/invoicemaci.zip
Before reinstalling the program, I recommend you to create a backup data file to avoid losing your information during the process.