Verifying shlm SBAT data failed Error
It sounds like you’re encountering the “Verifying shim SBAT data failed” error.
This error often occurs after a Windows update, especially if you’re using a dual-boot system with Linux.
Here are a few steps you can try to resolve it:
1. Disable Secure Boot: Restart your device and enter the BIOS/UEFI settings (usually by pressing F2, F10, or ESC during startup). Locate the Secure Boot option and disable it.
Most of the time the problem is solved by this. You restart your system. And your problem has been resolved. Still, you face the issue pls follow the below solution.
2. Remove the SBAT Update: If you’re using Linux, boot into Linux and open the terminal. Run the command `sudo mokutil –set-sbat-policy delete`. you have to run the commend in terminal
3. Verify SBAT Revocations: In the terminal, run `mokutil –list-sbat-revocations` to ensure no revocations are listed.
4. Re-enable Secure Boot : Go back to the BIOS/UEFI settings and re-enable Secure Boot.
5. Block Future SBAT Updates : Boot into Windows, open Command Prompt as an administrator, and run `reg add HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\SecureBoot\\SBAT /v OptOut /d 1 /t REG_DWORD`.
If you’re still having trouble, it might be helpful to check Microsoft’s official page or your manufacturer’s website for more detailed instructions.
Does this help, or is there something more specific you’d like to know?