When planmanager displays a white screen at startup, this means that the planmanager area is not accessible.
This means in most cases that you have no internet connection. Make sure you check your internet connection.
If you get the white screen when you perform a new installation on a PC, it means you are using an old installation file. Please always download the latest version of the core program.
See: How do I install plan manager?
If your business works with a proxy, you will have to manually set the proxy settings.
