Sometimes a website will show a blank page when you expect it to show the login page. This is normally caused by corrupted cookies and site data stored on your computer. To fix this you need to clear the cookies/local data stored about the site.

Open Microsoft Edge browser, and open the website in browser.

Next press F12 button on the keyboard.

Click the Network option at the top, and press Ctrl + R key at the same time to remove all cookies and caches for this site and refresh this page.