From your OP, I can only assume that you were trying to reinstall/repair over an existing OS. Now, your only hope is either to reinitialize the reinstall from the OS disk or repair menu, and write ...

While installing Windows 11/10 on Hyper-V, if you get Windows could not complete the installation error, you can follow these solutions. Although this error doesn’t ...

While performing the Clean Installation of Windows, you must select a hard drive partition on which you want to install Windows. The selected hard drive partition should be empty; otherwise, ...