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Top 7 solutions for Windows Update error 0x800700c1


Seeing the error code 0x800700c1 after a Windows update is a typical but fixable problem that perplexes many customers. This problem, which is typically caused by faulty system files, conflicts with antivirus software, or even wrong system settings, might prevent critical updates from installing.

This article tries to provide a comprehensive collection of remedies, from running system scans to performing a clean boot, that will help you navigate and repair the error swiftly, keeping your Windows system up to date and secure.

How to resolve the 0x800700c1 error in Windows 11

The error number 0x800700c1 is commonly seen when Windows users attempt to install updates and the system is unable to proceed, suggesting that a file required for the update is not a valid Windows application. This could be the result of corrupted system files, compatibility issues, or errors during the upgrade process.

Here are three practical strategies to deal with and resolve the error code 0x800700c1.

Solution 1: Run Windows Update Troubleshooter

Windows includes a built-in troubleshooter designed specifically to find and fix problems with Windows Update. You can run Windows Update troubleshooter by following these steps:

  1. Access the Troubleshooter: Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters.
  2. Run the Windows Update Troubleshooter: Select Windows Update and then click Run the troubleshooter. Follow the prompts to let the troubleshooter detect and fix issues related to Windows Update.

Solution 2: Perform a System File Checker (SFC) Scan

Corrupted or missing system files can lead to update errors like 0x800700c1. The System File Checker (SFC) tool can repair damaged system files. Here’s how to run System File Checker on Windows 11:

  1. Open Command Prompt as Administrator: Right-click the Start button and select Windows PowerShell (Admin) or Command Prompt (Admin).
  2. Initiate the SFC Scan: Type sfc /scannow and press Enter. Wait for the scan to complete and follow any on-screen instructions. 0x800700c1

Solution 3: Manually Reset Windows Update Components

Resetting the Windows Update components manually can resolve issues preventing updates from installing correctly. Follow these steps to manally reset Windows Update Components:

  1. Open Command Prompt as Administrator.
  2. Stop the BITS and Windows Update Services by typing net stop bits and net stop wuauserv, pressing Enter after each command.
  3. Rename the SoftwareDistribution and Catroot2 folders to reset the update components. Type ren %systemroot%\SoftwareDistribution SoftwareDistribution.old and ren %systemroot%\System32\catroot2 Catroot2.old, pressing Enter after each command.
  4. Restart the BITS and Windows Update Services by typing net start bits and net start wuauserv, pressing Enter after each command.

Solution 4: Disable Antivirus Software Temporarily

Sometimes, antivirus software can interfere with the update process. Temporarily disabling your antivirus might resolve the issue, but ensure you re-enable it immediately after attempting the update.

Here’s how to disable Antivirus on Windows:

  1. Open your antivirus application and look for an option to disable it temporarily.
  2. Select to disable the antivirus protection for a short period, typically until the next restart or for a specified duration.
  3. Try running Windows Update again to see if disabling the antivirus resolved the error.

Solution 5: Use DISM (Deployment Image Servicing and Management) Tool

The DISM tool can help fix Windows corruption errors that a SFC scan cannot, which might be causing the 0x800700c1 error. Follow these steps to use DISM via the Command Prompt:

  1. Open Command Prompt as Administrator.
  2. Type the following command and press Enter: DISM /Online /Cleanup-Image /RestoreHealth. 0x800700c1
  3. Wait for the process to complete, which could take several minutes, and then restart your computer.

Solution 6: Check Date and Time Settings

Incorrect date and time settings can sometimes cause issues with Windows Update. Ensuring your computer’s date and time are accurate can help resolve update errors.

Here’s how to check Date and Time settings on Windows:

  1. Go to Settings > Time & Language > Date & time.
  2. Ensure ‘Set time automatically’ is turned on, or manually set the correct date and time if necessary.

Solution 7: Perform a Clean Boot

Performing a clean boot can help identify if a background program is interfering with the update process. With a minimal set of drivers and startup programs, Windows can sometimes update successfully where it couldn’t before.

Here’s how to perform a clean boot on Windows:

  1. Type msconfig in the Start search box and press Enter to open the System Configuration utility.
  2. Go to the Services tab, check Hide all Microsoft services, and then click Disable all.
  3. On the Startup tab, click Open Task Manager. Disable all startup items, then close Task Manager and click OK in the System Configuration window.
  4. Restart your computer and try running Windows Update again.

To successfully address the error 0x800700c1, a methodical troubleshooting strategy is required to discover and resolve the underlying issues that are obstructing Windows updates. Users can overcome this obstacle by looking into options such as temporarily disabling antivirus software, using the DISM tool, altering date and time settings, and performing a clean boot. Users can also install updates manually from Microsoft Update Catalog.

These tactics not only help to resolve the 0x800700c1 error, but they also contribute to the smooth operation and maintenance of your Windows system, ensuring its stability and performance for a hassle-free computing environment.

Picture of Aleksandar Ognjanovic

Aleksandar Ognjanovic

Managing editor at Mobile Internist. @lemmingspain My fascination with mobile technology, particularly Android and iOS, began years ago and continues today. I'm captivated by the constant evolution in the smartphone industry and its impact on our daily lives, always anticipating the next big innovation. That’s the main reason why I found myself writing instructive content on the subject for users who are not as familiar with all the bells and whistles.
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