Hi,
Could you please answer following questions?
1. Which version (hotfix) of Kentico
CMS you are using?
2. Could you please confirm that you are using Portal Engine (i.e. inserted editable text webpart in the Design tab). In case you are using ASPX template please share the code of your template with us.
3. In which browser (and which version) have you tried to edit the content of the editable text webpart?
4. If you try to open the CMS Desk in another browser is the behavior the same?
5. If you add a new editable text webpart, are you able to edit the content?
6. Are you using some custom javascripts on your site?
7. Could you please check the Event Log (Site Manager - Administration) if there is not some relevant error message?
8. Have you try to restart the application (Site Manager - Administration - System)?
Thank you for information.
Best regards,
Ivana Tomanickova