Karlston Posted August 12, 2020 Share Posted August 12, 2020 Report that this month’s Win10 version 2004 cumulative update, KB 4566782, is throwing error 0x800f0988 Looks like the error also occurred in the preview, released July 31. From artins90 on Reddit: The update KB4566782 is not working 0x800f0988: Exec: Failed to pre-stage package: Microsoft-Windows-WindowsMediaPlayer-Troubleshooters-Package~31bf3856ad364e35~amd64~~10.0.19041.1, component identity: amd64_adobe-flash-for-windows_31bf3856ad364e35_10.0.19041.1_none_e190f18a08ed1a44, file: Flash.ocx, sandbox: \?\C:\WINDOWS\CbsTemp\30830624_112917922\Windows10.0-KB4566782-x64.cab, file format: 0 [HRESULT = 0x800f0988 – PSFX_E_INVALID_DELTA_COMBINATION] Anybody else see the same problem? Report that this month’s Win10 version 2004 cumulative update, KB 4566782, is throwing error 0x800f0988 Link to comment Share on other sites More sharing options...
KiM__ Posted August 12, 2020 Share Posted August 12, 2020 Yes, I got error 0x800f0988 sine cumulative update of KB4568831 & KB 4566782 Link to comment Share on other sites More sharing options...
wolfie Posted August 12, 2020 Share Posted August 12, 2020 Solution - go to Microsoft Update Catalog and download the appropriate msu file for KB4566782 and install manually. Worked perfectly for me. Link to comment Share on other sites More sharing options...
KiM__ Posted August 12, 2020 Share Posted August 12, 2020 1 hour ago, wolfie said: Solution - go to Microsoft Update Catalog and download the appropriate msu file for KB4566782 and install manually. Worked perfectly for me. Not in my case ! Link to comment Share on other sites More sharing options...
egoist Posted August 13, 2020 Share Posted August 13, 2020 Same here with KB4568831 & KB 4566782 and this only on my PC, on laptop the install works fine. Still looking for a fix. Link to comment Share on other sites More sharing options...
wolfie Posted August 13, 2020 Share Posted August 13, 2020 @KiM__ @egoist @Karlston Couple of other things to try: 1. Install the Servicing stack update (KB4566785) 2. Install Build 19041.423 (KB4568831) and then try installing Build 19041.450 (KB4566782) Link to comment Share on other sites More sharing options...
KiM__ Posted August 13, 2020 Share Posted August 13, 2020 1 hour ago, wolfie said: @KiM__ @egoist @Karlston Couple of other things to try: 1. Install the Servicing stack update (KB4566785) 2. Install Build 19041.423 (KB4568831) and then try installing Build 19041.450 (KB4566782) Thanks for your solution, but impossible ... Link to comment Share on other sites More sharing options...
egoist Posted August 13, 2020 Share Posted August 13, 2020 Still no luck. KB4566785 already installed, fails to install KB4568831 or KB4566782. Link to comment Share on other sites More sharing options...
new_generation Posted August 13, 2020 Share Posted August 13, 2020 Longest update ever I thought it will never install usually it takes about 2-5min this one was longer than 30min dunno what happened but at the end I got no errros success on my end! Link to comment Share on other sites More sharing options...
wolfie Posted August 13, 2020 Share Posted August 13, 2020 OK, sorry I couldn't help you - I have now installed this update on 5 separate computers without any problems. Link to comment Share on other sites More sharing options...
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