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REGULAR Menu Lifewire Tech for Humans Newsletter! Search Close GO Software & Apps > Windows
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He writes about Windows 10, Xbox One, and cryptocurrency. lifewire's editorial guidelines Updated on December 31, 2021 Reviewed by Jessica Kormos Reviewed by
Jessica Kormos Saint Mary-of-the-Woods College Jessica Kormos is a writer and editor with 15 years' experience writing articles, copy, and UX content for Tecca.com, Rosenfeld Media, and many others.
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lifewire's editorial guidelines Tweet Share Email Tweet Share Email Windows The Ultimate Laptop Buying Guide When a Windows update fails to install, the 0x80070643 error code may appear as follows: Failed to install on (date) - 0x80070643 Error 0x80070643 can also occur when you install or update any Windows app. Instructions in this article apply to Windows 10, Windows 8, and Windows 7.
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vectorplusb / istock / Getty Images
Causes of Error 0x80070643
The error 0x80070643 message is usually the result of system settings that were configured incorrectly, a malware or virus infection, a driver malfunction, corrupted or missing system files, or old versions of programs that weren't removed correctly when a new version was downloaded. A 0x80070643 error can also occur when a Windows computer or tablet is shut down incorrectly or disconnected from a power source while in use.
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If you think you have malware on your computer, run your antivirus software to ferret it out and remove it before doing anything else. Does Windows 10 Need Antivirus Protection?
How to Fix Error 0x80070643
Try these steps in the order listed until the message disappears and the update is successful: Retry the installation.
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Sometimes, attempting the installation or update again will work, so it's worth trying at least once more before proceeding with any further troubleshooting. Re-download the file. If you downloaded an update or an app and it displays the 0x80070643 error message, the file may have become corrupted during the download process.
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Download it again to see if that fixes the problem. Delete the original files you downloaded first so that you don't accidentally install those files instead of the new download. Uninstall and reinstall the app.
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If the 0x80070643 error occurs during an app update, the existing version of the app may be corrupted. Use the Windows uninstaller to remove the program, then reinstall it.
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The newest version should be installed so you won't need to update it. To quickly uninstall an app in Windows 10, right-click its name in the Start Menu and select Uninstall.
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Check the internet connection. If an update requires a connection to an online server, then a buggy internet connection can stall the installation process. If an internet speed test reveals a weak connection, there are a number of ways to fix a slow internet connection.
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Close all other programs. Sometimes running other programs can affect an update or installation by accessing important files and using device resources.
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Close all open programs on your Windows PC, and quit any programs that might be running in the background (like Telegram or Skype). Pause current downloads and updates. Other downloads and updates could be interfering with the app you're trying to update.
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In Windows 10, open the Microsoft Store app and select ellipses (...) in the upper-right corner, then choose Downloads and updates. Make sure no other apps are being updated or installed, and then try the installation again.
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Restart the computer. A Windows PC reboot can fix a variety of Windows glitches. Run the Windows Update Troubleshooter.
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The Windows Update Troubleshooter scans and corrects problems associated with the operating system and app updates. On Windows 10, go to Settings > Update & Security > Troubleshoot > Windows Update and select Run Troubleshooter. If you see the 0x80070643 error when running, installing, or updating a relatively old piece of software, run the Program Compatibility Troubleshooter, which can be found on the same screen as the Windows Update Troubleshooter.
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Install the latest .NET Framework. A corrupted .NET Framework can cause installation and update errors.
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Make sure the latest .NET Framework update from Microsoft is installed on the computer. Run the .NET Framework Repair Tool. If you have the latest .NET Framework update and you still get the 0x80070643 error, run the .NET Framework Repair Tool.
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Disable antivirus software. Antivirus programs are notorious for prompting conflicts with app installation and system functions.
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Turn off any such software you have installed, then attempt the update or installation again. Turn your antivirus program back on after you complete this task. Perform an SFC scan.
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An SFC scan can detect and fix corrupted system files on a computer. To run a scan, open the Command Prompt, type sfc /scannow, then press Enter.
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Restart Windows Installer. A glitch in the Windows Installer sometimes generates the 0x80070643 error. Go to Windows Services and select Windows Installer once to highlight it, then select the Restart link to its left.
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FAQ How do you update Windows 10? Your Windows PC should download and install updates automatically.
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If you want to manually download an update, select Start > Settings > Update & Security > Windows Update. If a patch is available, you can get it here. How do you update a graphics driver in Windows 10?
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You can download and install the latest update from whoever manufactured your graphics card. For example, if you're using an Nvidia GPU, go to the company's official downloads page and select your model from the drop-down menus to find the right drivers. If you're using an AMD card, go to that company's Drivers and Support page to download the latest update.
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How do you turn off Windows 10 updates? To temporarily pause Windows updates, go to Settings > Update & Security > Advanced Options > Pause updates.
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You can disable updates for 35 days at a time. How do you roll back a Windows update? If you think a recent Windows update is causing problems on your PC, you can uninstall it.
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Select Start > Settings > Update & Security > Windows Update > View your update history > Uninstall updates. Right-click on the update you want to remove and choose Uninstall. Was this page helpful?
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