Find the update that failed with the 0x800F0840 error and copy itsKB number. Open your browser and go toMicrosoft Update Catalog. Within the search bar, type inthe KB numberand clickSearch. Find the correct version of the update for your operating system (to check this, right-click onStar...
The tool scans the Windows update and related components, and if it finds something wrong with it, it will try to repair it. Read: Package failed to be changed to the Absent state 0x800f0922 How to fix Windows Update error 0x800f0831? The Windows Update error 0x800f0831is caused if ...
Regarding fwupdmgr --force refresh, on my Kubuntu 20.04 systems, that command didn't fix the "Failed to update metadata for lvfs: checksum failure: failed to verify data" error, the error was back 24 hours later. Edit I also wrote: "However, I don't see that error in weekends, if I...