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I'm having trouble installing Windows 1809 update KB4471332, it's failing with the error 0x800f0922.

Having done some googling and searching here, many of the suggested solutions involve ensuring the EFI partition is 500MB or more. I encountered a similar issue a while ago and in doing so rebuilt the EFI partition (I had a drive clone gone bad, only the data partition was copied!) and resized it to make sure it was over 500MB. Since then I've had no issues. This is a 'repair install' also, having run the 1809 ISO a few weeks ago. (Having had no issues installing updates since. This is the first problem I'm having with this install)

Partition layout

I've also tried resetting Windows Update via the troubleshooter and clearing the softwaredistribution folder then attempting the update once more. I've even downloaded the standalone updater from the update catalogue. Each time it installs, reboots, gets to around 96% 'configuring update' after the reboot then says it was unable to complete the update and is reverting changes. Upon checking event viewer the error 0x800f0922 is logged.

Any help would be much appreciated!

  • So, it appears that it's just KB4471332 that faces the issue, I used the Windows Update MiniTool to install other updates except that and they installed just fine... Curious – Callumwill1991 Dec 18 '18 at 21:46
  • I don't think this is your problem, but you might want to double-check: superuser.com/a/1383752/96662 – Harry Johnston Jan 8 '19 at 18:11
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no space in system reserved partition will cause 0x800f0922 error code when update. You could remove some 3rd party software log from system reserved partition to release disk space. But not every 0x800f0922 error code is related with the same reason. We also need to check the real reason through CBS.log file. The details will recorded in the log such as (ERROR_DISK_FULL) or Error HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND) and others.

  • Thanks for the reply, I'm not entirely sure how to interpret the CBS.log. I've uploaded it to google drive, if somebody would be able to take a look that would be great! link – Callumwill1991 Dec 13 '18 at 12:07

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