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About this tag
The YUMI tag on WindowsForum.com covers discussions about using YUMI (Your Universal Multiboot Installer) to create bootable USB drives for troubleshooting Windows boot errors. A recurring theme is the "Bootmgr is missing" error, often caused by compressing the C drive or other system file issues. Users share steps for creating a YUMI bootable USB with Windows recovery ISOs, accessing the recovery console, and attempting repairs via command prompt commands like expand, attrib, and ren. The tag focuses on practical, hands-on solutions for boot problems using multiboot USB tools.
  1. Z

    Windows 7 Bootmgr is missing. I've tried several things, still can't get it to work...

    "Bootmgr is missing". I compressed my entire C drive. When I rebooted I got the error "Bootmgr is compressed" I don't have a optical drive, so I made a bootable USB drive using YUMI 0.2.3 and added the windows 7 recovery ISO. The USB drive boots and I can enter the recovery console, etc...
    • zombie221
    • Thread
    • automatic repair bootmgr command prompt compression disk management error message file attributes fixboot missing operating system reboot rebuild bcd recovery repair tools startup issues system restore troubleshooting usb windows 7 yumi
    • Replies: 6
    • Forum: Windows Help and Support
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