KB5003173 is the version 2004 and 20H2 May 2021 update
Microsoft has released new cumulative updates for Windows 10 earlier this month as part of the May 2021 Patch Tuesday cycle, but as it turns out, not everything is running smoothly for users running version 2004 and 20H2. More specifically, installing cumulative update KB5003173 fails with error code 0x800f0922, something that obviously doesn’t say too much about the actual cause of the problem and therefore leaving users all alone in their attempt to install the update.
