The dialog Errordlg has the error style bit set, but is not an error dialog

This error is displayed when installing Shoppa.
The error is caused by unfulfilled system requirements.

To resolve the issue for Shoppa 2:

1. Uninstall Shoppa from the Control Panel
2. Download the installation media from: https://start.shoppa.com/Downloads
3. Right click the file and choose “Run as administrator”
4. Go through the installation
5. Start Shoppa as administrator and use your account to login

To resolve the issue for Shoppa 3:

1. Uninstall Shoppa from the control panel
2. Download the installation media from: https://start.shoppa.com/Downloads
3. Right click the file and choose “Run as administrator”
4. Go through the installation
5. Start Shoppa as administrator and use your account to login

If the issue remains, you can try to manually install the correct DotNet Framework. 

1. Search for “Windows features” in the Windows start menu
2. Click “Turn Windows features on or off”
3. Tick the box for Framework 3.5 if starting Shoppa 2
4. Tick the box for framework 4.8 if starting Shoppa 3

If the issue still remains unresolved you will need to contact your IT support for assistance.