Windows Could Not Complete The Installation In Hyper-V

Installing Windows in Hyper-V is simple. However, sometimes the setup suddenly stops and shows the message: “Windows could not complete the installation in Hyper-V.” Fortunately, several simple ways can help you complete the Windows installation successfully.

Why Does “Windows could not complete the installation in Hyper-V” Error Appear?

• The Windows ISO file is corrupt or incomplete.
• The ISO file is moved, renamed, or deleted during installation.
• The virtual machine does not have enough RAM or system resources.
• The installation process was interrupted or forcefully stopped.
• The Hyper-V virtual machine configuration is damaged or incorrect.

Windows Could Not Complete The Installation In Hyper-V

Below are the methods to fix it:

Fix 1: Avoid Turning Off the Virtual Machine During Setup

Hyper-V may take some time to transition between installation screens. During this period, it might appear frozen even when it is still working in the background.

• Wait patiently during the installation.
• Do not click Turn Off or Shut Down.
• Let the setup process to complete itself.

Fix 2: Ensure ISO File Availability

The Windows ISO file must remain in the same location while the installation is being performed.

• Check the folder where the ISO is stored.
• Make sure the file is not moved, renamed, or deleted.
• Restart the installation after confirming the ISO is accessible.

Fix 3: Download A Fresh Windows ISO

A damaged or incomplete ISO file can prevent Windows from installing correctly.

• Download a new Windows ISO from Microsoft (https://www.microsoft.com/en-us/software-download/windows11).

• Open Hyper-V Manager.
• Right-click the virtual machine and select Settings.
• Go to SCSI Controller > DVD Drive.
• Click Browse and select the new ISO file.
• Save the changes and restart the installation.

Fix 4: Reduce The Assigned Memory

Allocating too much RAM to the virtual machine can sometimes cause installation problems, especially on systems with limited memory.

• Open Hyper-V Manager.
• Right-click the Virtual machine and choose Settings.
• Select Memory.
• Enter a lower memory value.
• Click OK and restart the setup.

Fix 5: Create A New Virtual Machine

If the error continues, the virtual machine configuration may be damaged.

• Delete the problematic virtual machine.
• Create a new virtual machine in Hyper-V.
• Attach the Windows ISO.
• Start a fresh installation.

So, that’s how you can fix the “Windows could not complete the installation” error in Hyper-V.

If you have more questions, comment below!