Microsoft’s 0x80070643 Error: Much Ado About Nothing!
Having a 0x80070643 installation failure? Don’t worry—Microsoft says it’s just a prank error message. Your computer isn’t secretly plotting against you; the update is actually applied successfully. Just a harmless case of mistaken error identity.

Hot Take:
Ah, Windows Update errors, the software equivalent of finding a fly in your soup. Microsoft assures us that the ominous ‘0x80070643’ error is as harmless as your grandma’s fruitcake—unpleasant but won’t hurt you. Meanwhile, fraudulent IT support sites are like that shady guy offering directions in a dark alley: best avoided unless you want your data to mysteriously disappear. Microsoft is working on a fix, so keep your Windows machines rebooted and your fingers crossed!
Key Points:
- The 0x80070643 installation failure error affects Windows 10 and Windows Server systems during WinRE updates.
- Microsoft says the error is inaccurate and doesn’t impact device functionality.
- The issue occurs when another update is pending a reboot, despite the error message claiming otherwise.
- A fix is in the works and will be released in a future update.
- Fraudulent IT support websites have been exploiting the error to spread malware.
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