Here're 2 possible solutions for you. You can try and see if they work:
- Press Ctrl+Shift+R to give the browser a hard reload, which ignores cached content.
- Reset the browser. You can go to Settings --> Reset settings --> Restore settings to their default values.
If none of them works, more information needs to be provided:
- Is the homepage site owned by your group or not? (It looks like a Microsoft site)
- Do you have the same issue in other browsers like Chrome and Firefox?
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