Hi,
Please try the workaround provided below then check if issue still occur.
If you're using Internet Explorer browser, please try to optimize it by following the link below
Optimize Internet Explorer for Hotmail
If you are using a different browser, please refer to the product's documentation.
Also try to update your browser. Please refer to the link below.
Supported browsers
In addition, please try the workaround below.
Workaround #1 (a temporary solution for your current Hotmail session)
• You should only need to add the “s” onto the http and leave the rest of the URL as is. Press Enter to follow the updated URL.
Or,
1. Copy and paste the link below at your browser’s address bar.
https://account.live.com/ManageSSL
2. Select Always use HTTPS when I sign in to Hotmail.
3. Click Save.
Thanks!