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yates
2020-01-02, 00:25
I Dual Boot Kali lINUX with Ubuntu and Windows 10. last night Windows 10 ran a Upgrade to a new version and DRUB disappeared, I reinstalled it with Boot Repair Tool and rebooted.
When I Select Kali Linux I experience the following 2 problems:

1. The following boot error-
error: /vmlinuz has invalid signature
error: you need to load the kernel firsts.

In Grub Customiser the Kali Linux entry is:
Kali GNU/Linux Rolling (on /dev/sda5)
nsmod part_gpt
insmod ext2
set root='hd0,gpt5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt5 --hint-efi=hd0,gpt5 --hint-baremetal=ahci0,gpt5 a9153c92-c35f-49b4-89c6-ba9887f0f7dc
else
search --no-floppy --fs-uuid --set=root a9153c92-c35f-49b4-89c6-ba9887f0f7dc
fi
linux /vmlinuz root=/dev/sda5
initrd /initrd.img
3784

Secure Boot in the BIOS/UEFI menu has been disabled.

2. The boot entries in GRUB have increased tenfold and which entries should I keep and which should I discard.

Thank you in advance