Notes on what to do if Ubuntu 20.04 installation on Virtual box 6.1 (Windows10) fails with "Error 5 Input / output error"

It took a lot of time to build an Ubuntu environment for home study, so I will leave a note for the future.

Prerequisite environment

Windows10 Pro VirtualBox 6.1 Ubuntu 20.04 (I want to put it in)

Installation failure

There is nothing to talk about from ISO download to virtual machine creation, so I will omit it. This article has detailed instructions.

If you select the boot hard disk and proceed with the installation, Immediately after the input form for the computer name etc. was displayed, the following error occurred.

2Rkar.png

[Errno 5] Input / output error seems to be an input / output error due to a defect in the CD / DVD drive. The workaround is "cleaning the disk drive" ... Virtual Box ...?

Solutions

There was an entry in askUbuntu. Apparently it looks like a bug in VirtualBox? Error when installing Ubuntu 20.04 in VirtualBox

  1. Open Enable or Disable Windows Features
  1. Uncheck hyper-v, Windows hypervisor platform, virtual machine platform
  1. Start command prompt with administrator privileges
  2. Execute bcdedit / set hypervisorlaunchtype off
  1. Restart your PC

You have successfully completed the installation.

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