BOOTMGR works closely with Windows Boot Configuration Data (BCD) as well. BOOTMGR eventually executes winload.exe the system loader used to continue the Windows boot process. The function of BOOTMGR is to assist Windows operating system booting. Usually, the partition that contains the BOOTMGR is System Reserved partition and does not have a drive letter. The BOOTMGR file is set as read-only and hidden, so that it won’t be deleted accidentally.

Do comment and do subscribe our newsletter below to get more such interesting stuffs.Windows Boot Manager, also known as BOOTMGR, is a kind of small program that locates in the root directory of the partition marked as Active in Disk Management.

Hope this help you in fixing this messy issue, which took around 1 hour for me. Note: This fix can be applied for both Windows Vista and Windows 7. Well there may be other reasons also which may cause the issue, which I will discuss later.

Restart the system, you will find the issue resolved.

Below the properties window you find “ Compress this drive to save disk space” ,you will have to uncheck the check box, and click OK to confirm.

Now select “ My Computer” and then right on the drive (mostly C drive) where you have your Operating system installed and select “ properties”.

Now you will get a screen where you need to select “ Load Drivers”, which will display you current system files.

(located down left side, see the below image)

Select “ Repair your computer” from the menu.

You will see loading of files and after that operating system installation screen.Select boot from CD/DVD.(Note : if you are not able to boot from CD you will have to go into your BIOS and set first boot device as CD/DVD).Insert the Bootable DVD to drive and start the pc.I would like to make it easy for you and tell you how to fix this issue.Ī bootable media (DVD) of Windows 7 or Windows Vista. Well after doing a little bit of research I found out the solution which I would like to share with you all. The main reason I am publishing this post is that I have spent some quality time to resolve this issue, one of my client called me and told that his laptop is not working and he is getting a screen saying “ BOOTMGR is Compressed, press Ctrl + Alt + Del”.

Repair bootmgr windows 7