Go to Windows Settings > Update & Security > Windows Security > App & browser control. Ensure that "Potentially unwanted app blocking" isn't set to a level that auto-disables user overrides.

Are you on a (where IT might have blocked this)?

A corrupted browser cache can cause UI elements like buttons to glitch or remain unclickable. Press in Edge. Select Cached images and files and Cookies . Set the time range to All time . Click Clear now and restart your browser. 🛡️ Why Does This Happen?

Hover over the entry and click the or the "More actions" icon. Select Keep from that specific dropdown menu.