Windows Boot Manager Boot Failed
First reported on r/techsupport on June 26, 2026.
Users are reporting that their Windows Boot Manager is boot failed. This issue is affecting multiple Windows laptops and desktops.
What it looks like
- Boot failed
How to fix it
- Try booting your computer in safe mode.
- Update your computer's drivers to the latest version.
- Reset your computer to its factory settings if the issue persists.
- If this doesn't work, contact Microsoft support — there isn't a known user-side fix yet.
Affected products
- Windows
Sources
- windows boot manager boot failed — reddit:r/techsupport
Search terms covered: windows boot manager boot failed, boot failed windows