Neowin News Feed for: 0x80070643

Five things Windows 10 never fixed

Usama Jawad — Sun, 27 Jul 2025 19:16:01 +0000

Windows 10 got a lot of stuff right, but it did falter in some areas. Despite the OS being almost 10 years old, some issues continue to linger. Read more...

Microsoft reiterates it may never truly be able to fix Windows Update 0x80070643 error

Sayan Sen — Sat, 12 Jul 2025 22:34:01 +0000

Microsoft has reiterated that it may never really be able to fix the 0x80070643 error code that happens due to the Windows Recovery update. Read more...

Windows 10 Update error 0x80070643? Pretend it is not there, says Microsoft

Taras Buria — Mon, 14 Apr 2025 08:20:01 +0000

Windows Update shows error 0x80070643 in Windows 10? Microsoft has a very simple and genius solution for it. Read more...

Windows 10 KB5048239 causes 0x80070643 error but Microsoft already has an official fix

Sayan Sen — Sun, 17 Nov 2024 14:52:01 +0000

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...

Microsoft kills unfixable KB5034440/KB5034441 updates, replaces with KB5042321/KB5042320

Sayan Sen — Wed, 14 Aug 2024 07:58:01 +0000

Microsoft, at long last, has finally pulled KB5034440 and KB5034441 updates, which have been notorious for installation failures leading to "0x80070643 - ERROR_INSTALL_FAILURE" error messages. Read more...

Windows 10 KB5001716 install fails with 0x80070643 error but a fix seemingly exists

Sayan Sen — Thu, 07 Mar 2024 07:04:02 +0000

Microsoft quietly released a new update for Windows 10 users under KB5001716. It is however causing issues installing with 0x80070643 error similar to KB5034441. Thankfully, there's a fix. Read more...

Microsoft has an update on the notorious KB5034441/KB5034440 causing 0x80070643 error

Sayan Sen — Mon, 04 Mar 2024 08:36:02 +0000

Microsoft, in January, fixed a BitLocker encryption bypass flaw on Windows 11 and 10 via WinRE, though, the process proved troublesome for users. The company has since published an update on it. Read more...

Microsoft: We are working on KB5034441/KB5034440 "0x80070643 - ERROR_INSTALL_FAILURE" fix

Sayan Sen — Mon, 15 Jan 2024 08:12:01 +0000

Microsoft recently said that a crucial WinRE update for a BitLocker bypass flaw would fail to install with "0x80070643 - ERROR_INSTALL_FAILURE" error. It has confirmed a fix is coming soon. Read more...

Microsoft issues KB5034440, KB5034441 Windows updates for BitLocker Secure Boot flaw

Sayan Sen — Wed, 10 Jan 2024 12:08:02 +0000

Microsoft has addressed a security vulnerability that can lead to BitLocker Secure Boot bypass on both Windows 10 and 11. Alongside that, the company has also detailed how to resize the WinRE space. Read more...