When you try to install updates via the Windows Update channel, error 0x80070BC2 may occur and the update fails to install. The Windows Update page may show “Awaiting restart”. And after the reboot, the Windows Update installation history page shows the following error in that particular update(s):
Last failed install attempt on [date] – 0x80070BC2
And the Windows event log (Windows Event) logs this error, referring to the KB number:
Installation Failure: Windows failed to install the following update with error 0x80070BC2
0x80070BC2: 2018-01 Cumulative Update for Windows 10 Version 1709 for x64-based Systems (KB4056892)
What does error 0x80070BC2 mean?
Error code “0x80070BC2” indicates an error occurred during the installation of new cumulative updates in Windows 10. This may be related to the following updates:
How to fix Windows Update error 0x80070BC2?
1. First, launch Command Prompt (Admin).
2. Then just type the following commands, pressing Enter after each command:
SC config wuauserv start= auto
SC config bits start= auto
SC config cryptsvc start= auto
SC config trustedinstaller start= auto
By far one of the most common errors affecting Windows 10 updates is error 0x80070BC2. Apply the steps above and then restart your PC before reinstalling the latest updates.
This time, the whole process should work without any problems. Error 0x80070bc2 will no longer occur.
Of course, if you still can’t enjoy the latest cumulative updates, you can always download the standalone update package from Microsoft’s Update Catalog website.
Usually, update errors are related to broken user profiles, so you should also try creating a new admin account.
Once you’re signed in to your new profile, perform a clean boot, then check for updates. Are things better now?