FEATURED: “bootmgr is compressed” in Windows 7The dreaded message “bootmgr is compressed” is another bugger and requires some work on your side.
The dreaded message “bootmgr is missing” still exists today, but luckily there are some easy solutions.
It can happen that your MBR will be corrupted/damaged after a cold-start of your PC and then you need to know how to fix the MBR in Windows 7. Usually, you will encounter the dreaded error message: “Operating System not found“. There’s a really easy command that can be executed via the command line utility to fix it. But how to access the command line tool without operating system in the first place?