Download/install the revised CB2023 program installer (v23.2.2.2901). Restart your computer afterwards and see if that helps.
If that doesn't work, try the following:
-using Sidekick's Optimize database option
-visits Sidekick setting's General Tab and review your database list. Make sure your main file(s) are all displayed with valid file paths. Use the + and - icons to adjust the list if needed.
-If none of suggest tips above don't work; then try using a backup copy of your database
If you still have trouble, message our support team at support@comicbase.com