You must install and login initially to Clinical Audit while connected to the Internet so your login details can be validated.
You can then use CAT4 without being connected to the Internet for a period of one month.
When you are connected to the Internet CAT4 is able to verify your registration credentials are still valid and check to see if there are any application updates available for download.
If you use CAT4 for a long period of time without connecting to the Internet then your credentials will eventually expire. You will need to connect again and go to the CAT4 installation URL to download an update.
Note: If you have a Desktop Shortcut to CAT4 and it does not work offline you simply need to delete and recreate it.