Once resolved a case may be marked as closed. Ensure that all comments are completed before proceeding with the closure. See Updating a Case for further information.
To close a case you need to locate the required case. This may be done from anywhere in CleanLink Site Manager by right-clicking and selecting Cases. This brings up a list of all open cases. Select the required case and click the Modify button.

You will be asked to confirm a date for the case closure, this defaults to today's date.

Once a case has been closed it cannot be updated without being re-opened. See Re-opening a Case for further details.