When you attempt to install updates via the Windows Update channel, error 0x80070BC2
may occur and the update repeatedly fails to install. The Windows Update page may show “Awaiting restart”. And after restarting, the Windows Update installation history page shows the following error under that particular update(s):
Last failed install attempt on [date] – 0x80070BC2
![0x80070bc2 error windows update](png/0x80070bc2-error-wu.png)
And the Windows Event log records this error, referencing the KB number:
Installation Failure: Windows failed to install the following update with error 0x80070BC2
For example:
Installation Failure: Windows failed to install the following update with error 0x80070BC2: 2018-01 Cumulative Update for Windows 10 Version 1709 for x64-based Systems (KB4056892).
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