Windows 10 KB5048239 causes 0x80070643 error but Microsoft already has an official fix November 17, 2024 by admin Tweet The infamous "0x80070643 – ERROR_INSTALL_FAILURE" issue is back with one of the new Windows 10 updates KB5048239. Thankfully, there is a fix. Read more… Neowin Related Posts:Microsoft: We are working on KB5034441/KB5034440…Microsoft admits it can't fix Windows 10 KB5034441…Windows 10 KB5001716 install fails with 0x80070643…Microsoft kills unfixable KB5034440/KB5034441…Windows 10 KB5048239, KB5046911, KB5046912,…