If you're experiencing bad formatting in WHMCS, it could be due to a variety of reasons, including incorrect configuration, customizations, or theme issues. Here are some steps you can take to troubleshoot and resolve the formatting problems:

1. Clear Browser Cache:

   • Sometimes, outdated or cached files in your web browser can cause formatting issues. Try clearing your browser's cache and then refresh the page.

2. Check CSS Files:

   • Verify that the CSS files associated with WHMCS are accessible and correctly linked. Inspect the source code of the page to ensure the CSS files are loading properly.

3. Check Theme Settings:

   • In the WHMCS admin area, go to "Setup" > "General Settings" > "General". Ensure that the "Template" is set correctly and that the selected template is installed and functioning properly.

4. Inspect Customizations or Modifications:

   • If you've made customizations or modifications to WHMCS, review them to ensure they haven't inadvertently caused formatting issues.

5. Verify File Permissions:

   • Make sure that the files and directories in your WHMCS installation have the correct permissions. Directories should typically be set to 755 and files to 644.

6. Disable Custom Templates or Themes:

   • If you're using a custom template or theme, switch back to the default WHMCS template temporarily to see if the formatting issues persist.

7. Check for JavaScript Errors:

   • Open the browser's developer tools and look for any JavaScript errors that might be affecting the layout or functionality.

8. Test in Different Browsers:

   • Check if the formatting issue is specific to a particular browser. Test in different browsers to see if the problem persists.

9. Review Server Configuration:

   • Ensure that your server environment meets the minimum requirements for WHMCS, including the PHP version, MySQL version, and other dependencies.

10. Reupload Core Files:

    • If you suspect that core files may be corrupted, reupload the original WHMCS files from a fresh download.

11. Check for Updates:

    • Ensure that you're using the latest version of WHMCS. Outdated versions may have compatibility issues with newer server software or browsers.

12. Seek Community or Official Support:

    • If the issue persists, check the WHMCS community forums or official support channels for assistance. Other users or the WHMCS team may have encountered similar problems.

Remember to document any changes you make during the troubleshooting process in case you need to revert or provide details for further assistance.