When Shoppa shuts down at the “Testing connection” stage of the startup it is most often caused by insufficient user rights when upgrading to a new version.
To resolve this issue Shoppa needs to be started with administrative rights.
• Right click the Shoppa icon and click “Run as Administrator”
If you need to enter credentials to run Shoppa as an administrator, you need to contact your IT support for assistance.
If the issue persists, you can also try to reinstall Shoppa.
To download Shoppa, please see the following article: