# Software running w/o Internet connection

> Source: https://topodrone.com/knowledge/topodrone-post-processing/software-running-wo-internet-connection/
> Section: TOPODRONE Post Processing
> Updated: 2024-11-27

If there is no internet connection, the TPP software downloader will not be able to connect to the server. When you start the TPP software downloader, the following window will open with “Server is unavailable or no network connection” at the bottom.

![Software running w/o Internet connection](https://topodrone.com/knowledge/i/9fac711cf41822b2.png)

After connecting to the Internet, the TPP software downloader must be restarted.