Agent «Workflows (Frontier)» is not available - one solution

Perhaps this solution, which I developed together with Microsoft 365 Copilot GTP-5.2 Deep Analysis, will help someone else.

All the usual solutions failed. Link to the support documents.

The Edge browser has a developer mode. That was the right solution.

English:

«Workflows is not available
Something went wrong. Contact your administrator to keep your environment up to date before using this agent.
Environment ID: Default-XXXXXXXXXXX»