So to be very specific
Event viewer shows
8:16:48 PM - 26-Feb-2023
Installation Failure: Windows failed to install the following update with error 0x800F0922: 2023-02 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5022834).
CBS log shows
2023-02-26 20:21:26, Info CBS Session: 31017545_3491546872 initialized by client WindowsUpdateAgent, external staging directory: (null), external registry directory: (null)
2023-02-26 20:21:26, Info CBS InternalOpenPackage failed for Package_for_KB3025096~31bf3856ad364e35~amd64~~6.4.1.0 [HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE]
2023-02-26 20:21:26, Info CBS Failed to internally open package. [HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE]
2023-02-26 20:21:26, Info CBS Failed to create open package. [HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE]
2023-02-26 20:21:26, Info CBS Failed to OpenPackage using worker session [HRESULT = 0x800f0805]
2023-02-26 20:21:26, Info CBS Session: 31017545_3491631326 initialized by client WindowsUpdateAgent, external staging directory: (null), external registry directory: (null)
2023-02-26 20:21:26, Info CBS InternalOpenPackage failed for Package_for_KB3025096~31bf3856ad364e35~x86~~6.4.1.0 [HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE]
2023-02-26 20:21:26, Info CBS Failed to internally open package. [HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE]
2023-02-26 20:21:26, Info CBS Failed to create open package. [HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE]
2023-02-26 20:21:26, Info CBS Failed to OpenPackage using worker session [HRESULT = 0x800f0805]
I am a bit bothered that the times don't match exactly.
To me it seems that when it downloads the package, it's able to open it? x800f0805
And as you state the error is then a rollback
2023-02-26 20:21:46, Info CBS Session status queried: Current Phase: 1, Last SuccessfulState: Startup, Completed: 1, Status: 0x800f0922
One thing I can try is to remove all subfolders from c:\windows\softwaredistribution manually.
But I would have thought the 3 other retries did that already?