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installation stuck at Detecting file systems

It seems to be stuck at Detecting file systems, and it also keeps saying "Source ID xxxxx was not found when attempting to remove it" can anyone help? I have downloaded the iso and used universal usb tool to put it on an external HDD, and now I'm trying to install it from this external HDD to a free space in my internal HDD.

Abdelrahman Mostafa
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  • From the information provided, this list shows what the problem may be: https://askubuntu.com/a/1190765/43926. A little more detail might help narrow this down. To start check ISO MD5SUM, try USB on another computer, try using Etcher or Rufus to install ISO. – C.S.Cameron Sep 21 '21 at 01:55

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I have the same issue with 2204.

UPDATE: finally I resolved it. The reason is the installation USB disk is recognized in the partition phase. I selected one partition of USB disk as a mount point. So the installation tried to umount it for format but always failed.

Shuduo
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