The "We couldn't sign you in. Please try again" error in the Microsoft Clipchamp desktop app occurs when the application ...
Users who previously couldn't update to Windows 11 24H2 or 25H2 due to incompatible webcams are now free to do so.
With the next version of Windows 11 now generally available, Microsoft has confirmed that there are a couple of known issues to be aware of if you're upgrading right away.