Invalid Boot Signature after upgrade to 16.04 (dual boot windows 10)
137809
"Error: Invalid signature" when configuring dual boot Ubuntu 14.04 and Windows 10
85340
Windows 10 upgrade led to grub rescue
110562
Windows 10 occasional stuck at boot BEFORE spinning dots
10412
Can't boot into Ubuntu in Windows 10 / Ubuntu dual boot
149432
Grub Rescue prompt appears after deleting Ubuntu partition. Can't boot Windows
99303
Windows 10 update broke my MBR / GRUB
42073
What to do when a Windows Update (KB4480970) breaks your computer?
30233
How can I fix/install/reinstall grub?
86703
Windows 10 Replacing Grub
107266
repair windows boot loader after cloning to SSD
151403
Windows 7 booting fail with error code 0xc0000225
148397
How do I modify my boot options in Windows 8?
116445
"Can't check signature: public key not found" while upgrading, why?
44850
Windows 10 update: 0xC1900101 - 0x3000D, FIRST_BOOT and MIGRATE_DATA
110706
\Boot\ BCD Status: 0xc000000f error
105937
Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')
9495
PC automatically booting into windows 10 in dual boot