0x80070643 error

Winsage
August 14, 2024
Microsoft has retired several updates released during the January 2024 Patch Tuesday due to installation errors linked to the 0x80070643 error when installing Windows Recovery Environment (WinRE) updates. The updates affected were KB5034441 for Windows 10, KB5034440 for Windows 11, and KB5034439 for Windows Server 2022, which aimed to address a critical vulnerability (CVE-2024-20666) related to BitLocker encryption. The error was caused by insufficient space in the WinRE partition, requiring an additional 250 MB of free space. Microsoft announced that users must manually expand their WinRE partitions to resolve the errors, as an automated fix will not be provided. New replacement updates—KB5042320, KB5042321, and KB5042322—have been introduced, which will only be available to users with adequate free space in their WinRE partitions. Microsoft offers guidance for users to either follow manual steps or use a script to resize their partitions to ensure they can install the new updates.
Winsage
June 30, 2024
Fake IT support sites are offering malicious PowerShell "fixes" for common Windows errors like the 0x80070643 error. Threat actors are using compromised YouTube channels to add legitimacy to these sites, which ultimately install information-stealing malware on devices. Users should be cautious when seeking solutions online and only download software and fixes from reputable sources to avoid falling victim to malicious actors.
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