The web page returns a white screen

A white screen may be a sign of a temporary glitch. To confirm, follow these steps:

1. Refresh the page (press F5 in Widows, or command+R on an Apple).
2. Check the internet connection.
3. Check that you are using the correct login page, see also our login tips page.
4. Open the web page in another internet browser. In general, Google Chrome works best. Internet browsers that can also be used are Microsoft Edge, Safari and Mozilla Firefox.
5. We no longer support Internet Explorer.
6. Tip: Make sure you update your browser to the latest version.
7. Clear your browser’s cache.
8. Close the browser, return to the login page and log in again.