Hello, I found a solution, follow these steps:
1°- in Kaspersky, go to Settings, then Network Settings. Uncheck the "Inject script into web traffic to interact with web pages" option under Traffic processing.
2°- Deleting cache/cookies of Edge normal browser.
3°- Do both.
Source: https://learn.microsoft.com/en-us/answers/questions/1185459/bing-discover-button-on-edge-dev-is-not-working