Jan 11, 2022 · I cant update my computer for the last 5 months.Everytime i try updating i get error 0x800700c1.I have tried everything including solution with command prompt (dism ...

Nov 16, 2025 · Step-by-step actions to resolve Secure Boot update failures (0x800700c1) 1. Reflash BIOS with latest version—even if already on F.33 Reinstalling the same BIOS version can reinitialize …

Jun 5, 2025 · The Secure Boot update failed to update a Secure Boot variable with error Unknown HResult Error code: 0x800700c1 Event: 1796 I am getting the above error randomly.

Jan 18, 2026 · The error you’re seeing (Event 1796 – Secure Boot update failed to update SBAT, code 0x800700c1) usually indicates that Windows is unable to update a Secure Boot variable correctly.

Mar 9, 2018 · Solved: Windows 10 Update fails with Error 0x800700c1. I've used the windows update troubleshooter, to no avail. I've attempted to install by - 6614281

Oct 2, 2025 · It’s unsettling when system-level features like Secure Boot throw cryptic codes like 0x800700c1, especially when everything else seems to be working fine. Let’s walk through a few …

Sep 24, 2025 · System Model: HP ProBook 450 15.6 inch G10 Notebook PC OS Name: Microsoft Windows 11 Pro OS Version: 10.0.26100 N/A Build 26100.6584 24H2 Original Install Date: …

Jan 15, 2026 · The Secure Boot update failed to update SBAT with error Unknown HResult Error code: 0x800700c1

Feb 2, 2026 · The Secure Boot update failed to update SBAT with error Unknown HResult Error code: 0x800700c1. For more information, please see https://go.microsoft.com/fwlink/?linkid=2169931

Jul 28, 2025 · In Windows 11 Version 24H2 Build 26100.4770, I noticed that under Computer\\HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\SecureBoot the key …