unfortunately, I can see nothing in the logs attached which would explain this failure. To the contrary, the logs clearly show that partman correctly detects /dev/sda1 as an ESP. There are exceptions from ubiquity in the syslog, but they appear to be unrelated.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1930633 Title: Existing EFI Boot partition for Windows 10 not detected by Ubuntu 21.04 install! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1930633/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs