If you are having difficulty editing a document, there are several steps you can take to troubleshoot the issue:

1. Check to ensure the document is in a compatible format.
2. Check that you are using a supported browser or application.
3. Ensure that the document is not locked or restricted in any way.
4. Restart your machine to ensure all settings and applications are up-to-date.
5. Re-install the application you are using to open the file.