I did a clean install on my Windows 7 Acer laptop. The installation seemed to go all right, but it shows this error:

Windows Boot Manager

Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:

  1. Insert your Windows installation disc and restart your computer.
  2. Choose your language settings, and then click "Next."
  3. Click "repair your computer."

If you don't have this disc, contact your system administrator or computer manufacturer for assistance.

File: \windows\system32\winload.exe

Status: 0xc0000001

Info: The selected entry could not be loaded because the application is missing or corrupt.

I have tried startup repair, which isn’t working.

Also another method, but you have to have 'bytes' in your registry. My RegBack file has 0 bytes. Is that a cause for concern? I’m not sure what to do; could someone point me in the right direction?

  • stackoverflow is related to programming - your question is not. – Werner Henze Mar 25 '13 at 16:43
  • This is batch. Or CMD or whatever. I just need help with it. Please.. – Lloyd Davies Mar 25 '13 at 16:44
  • What does "isn't working" mean? That the disc didn't load, there was an error else where? – Dave Mar 26 '13 at 12:56

Your case is unique. To resolve uncommon problems with windows installation, usually i gonna format the drive.

Take a look at this link: https://www.wikihow.com/Install-Windows-7-(Beginners)

There are many pictures, and later at some points, it has some picture with words: disk 0 unallocated space

To remove partition 0, partition 1... partition n, you need to format the drive. make sure you see disk 0 unallocated space

Install in unallocated space, not on previous partition.

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