We are retired but form 540 put 0 on W2 box and keep saying Error when checking! Please, help. Thanks

Try this to get rid of any unwanted Form W-2 information.  

1. Open or continue your return
2. Search for w-2 using the search box in the upper right corner of your screen, then click the Jump to w-2 link in the search results
3. Then, on the Here's your W-2 info or Your W-2 info so far screen, you can click the trash can icon next to any unwanted W-2s, and then answer Yes on the Are you sure you want to delete this W-2? popup.