Myob Just Invoices wont run after latest windows 10 Update

Hi , I have been running Just Invoices for approx 14 years. Windows just updated on 2 pcs and now neither will run Just Invoices at all. I managed to get it to run on a very old laptop to save clint lists and print a current statement. using this old slow laptop is not my preference. I would appreciate any help at all. Thank  you