If you want to fix Windows Update error 0x800700c1 on your Windows 11/10 computer, then this post covers some simple options that you can try.

If after a hardware change and you encounter Error Code 0x803FABB8, Donor hardware ID does not own operating system entitlement, see this fix.

Microsoft has resolved a known issue that caused Windows upgrades to fail with 0x8007007F errors on some Windows 11 and Windows Server systems.

Incorrect error messages seem to be a pattern for the company's latest operating system updates.

Microsoft has resolved a known issue preventing the August 2025 Windows 11 24H2 cumulative update from being delivered via Windows Server Update Services (WSUS).

Here's how to generate a QR code for your Wi-Fi network to simplify login for family, friends or guests.