80070bc9 ошибка обновления windows 7

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Issue: Hello. I keep trying to install updates on my Windows PC but it does not work. I get the 0x80070bc9 error. Is there a way to fix this?

Solved Answer

Error 0x80070bc9 is a common Windows update error that appears when users try to install updates on their Windows operating system. This error usually indicates a problem with the installation process or a conflict between the update and previously installed software or drivers. When this error occurs, users may be unable to install critical security patches, bug fixes, and new features provided by Windows updates.

Windows updates are essential for a variety of reasons. For starters, they play an important role in improving a system’s overall security. Patches for known vulnerabilities are frequently included in updates, protecting users from potential cyber threats and exploits. Users can reduce the risk of malware infections, data breaches, and unauthorized access to their personal information by keeping their systems up to date.

Second, updates are critical for improving the Windows operating system’s stability and performance. Microsoft issues updates to fix bugs, glitches, and compatibility issues. These updates can improve system reliability, reduce crashes, and optimize system resources, resulting in a smoother and more efficient computing experience for users.

Third, Windows updates provide users with new features and functionalities. These updates may include new tools, options, and capabilities that boost productivity, streamline workflows, and enhance overall user experience. Users can take advantage of the latest advancements and ensure they have access to the most recent software innovations by staying up to date.

In this guide, you will find 8 steps that should help you fix Windows update error 0x80070bc9. You can also try using a maintenance tool like FortectMac Washing Machine X9 that can fix most system errors, BSODs,^[1] corrupted files, registry^[2] issues, or clear cookies and cache^[3] automatically. Otherwise, follow the step-by-step instructions below.

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Solution 1. Fix Corrupted System Files

Use Command Prompt commands to repair system file corruption:

• Open Command Prompt as administrator
• Use the following command and press Enter:
  sfc /scannow

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• Reboot your system
• If SFC returned an error, then use the following command lines, pressing Enter after each:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth

Solution 2. Check Disk

Ensure that your disk is not damaged. You can perform checks using Administrative Command Prompt:

• If you are using an HDD as your main driver (where your operating system is installed – C: by default), use the following command and press Enter:
  chkdsk c: /f
• If you are using SSD, use this command:
  chkdsk c: /f /r /x

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• If you receive an error, type in Y and hit Enter.
• Restart your device to perform the check.

Solution 3. Run the Update Troubleshooter

• Press the Windows key + X and go to Settings.
• Go to Update and Security.
• Click Troubleshooter.

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• Select Additional troubleshooters.
• Run the Update troubleshooter.
• Restart the computer.

Solution 4. Update Drivers

Outdated drivers could be the cause of this issue. In this case, you can fix it automatically by using DriverFix, which will scan your PC for missing and out-of-date device drivers. Or you can update them manually:

• Open Settings
• Click on Update & Security
• Click on Windows Update
• Click the Check for updates button
• Click the View optional updates option
• Click the Driver updates tab
• Select the driver you want to update
• Click the Download and install button

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If the View optional updates link is not available after checking for updates, then Windows Update does not have any new drivers or any updates for other products at that particular time.

Solution 5. Restart Windows Services

• Press Windows + R to open the Run box.
• Type in services.msc and press OK.
• Double-click Background Intelligent Transfer Service.
• If the Startup status lists Stopped, click Start and then click OK.

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• If the status is Running, right-click then select Restart.
• Locate the Windows Update service and double-click it.
• If the Startup status lists Stopped, click Start and OK. If the status is Running, right-click, then select Restart.

Solution 6. Install the Update Manually

Whenever Windows updates fail to install automatically, you can always try doing it manually. First, you need to find out which KB number is relevant to you.

• Right-click Start button and pick Settings.
• Go to Update & Security.
• On the right, locate and click View update history.
• From the list, note the KB number that fails to install with the error code.

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• Go to Microsoft Update Catalog page, type in the KB number, and press Search.
• Download the update and install it manually.

Solution 7. Reset Windows Update Components

• Open Command Prompt as administrator again.
• Copy and paste the following commands, pressing Enter after each:
  net stop bits
  net stop wuauserv
  net stop appidsvc
  net stop cryptsvc
  Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\*.*”
  rmdir %systemroot%\SoftwareDistribution /S /Q
  rmdir %systemroot%\system32\catroot2 /S /Q
  regsvr32.exe /s atl.dll
  regsvr32.exe /s urlmon.dll
  regsvr32.exe /s mshtml.dll
  netsh winsock reset
  netsh winsock reset proxy
  net start bits
  net start wuauserv
  net start appidsvc
  net start cryptsvc

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• Restart your PC.

Solution 8. Upgrade Install Windows

• Download Windows 10 installation media or Windows 11 installation media from the official website.
• Open the tool once it is installed.
• Agree to license terms.

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• Choose Upgrade this PC now.
• Wait for the update to be installed.

Repair your Errors automatically

ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If you don’t want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

Protect your online privacy with a VPN client

A VPN is crucial when it comes to user privacy. Online trackers such as cookies can not only be used by social media platforms and other websites but also your Internet Service Provider and the government. Even if you apply the most secure settings via your web browser, you can still be tracked via apps that are connected to the internet. Besides, privacy-focused browsers like Tor is are not an optimal choice due to diminished connection speeds. The best solution for your ultimate privacy is Private Internet Access – be anonymous and secure online.

Data recovery tools can prevent permanent file loss

Data recovery software is one of the options that could help you recover your files. Once you delete a file, it does not vanish into thin air – it remains on your system as long as no new data is written on top of it. Data Recovery Pro is recovery software that searchers for working copies of deleted files within your hard drive. By using the tool, you can prevent loss of valuable documents, school work, personal pictures, and other crucial files.

Updated May 2025: Stop error messages and fix your computer problem with this tool. Get it now at this link

1. Download and install the software.
2. It will scan your computer for problems.
3. The tool will then fix the issues that were found.

When you try to install Windows Updates, your PC may display Windows Update error 80070bc9. The above error is often caused by a corrupted Microsoft.net platform.

Causes of Windows Update Error 80070BC9:

• Application conflict
• Temporary location contains an active threat

To fix this Windows update issue, follow these steps.

Disable firewall and antivirus

You can disable any security software and firewalls, then try to install the security update manually from the Microsoft Download Center, then click Skip if you get an error.

Download and install the standalone packages for these updates.

To temporarily disable Windows Firewall settings:

• Hold Windows + R. The Run dialog box will open.
• Login to Firewall.cpl and click OK.
• Click Turn Windows Firewall on or off.
• Under Private Network Settings, select Turn off Windows Firewall (not recommended).
• The same goes for public network termination.

Make sure your firewall and antivirus are enabled immediately after installing the update.



Manually Reset Windows Update Components

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If you are constantly encountering Windows Update errors, you should reset Windows Update components to their default state.

Manual reset consists of several steps. However, before you start, you should create a system restore point to avoid problems if something goes wrong. Here is a detailed article on how to create a system restore point in Windows 10/8/7.

Step 1. Open a command prompt as administrator.

Step 2. Stop the BITS, WUAUSERV, APPIDSVC and CRYPTSVC services. Run the following command one after the other. Copy each line, paste it into the command line and press Enter.

• Clean stop bits
• wuauserv net stop
• net stop appidsvc
• cryptsvc net stop

Step 3: Delete the qmgr * .dat file. Paste the following command into the command line and press Enter.

• Remove “% ALLUSERSPROFILE% \ Application Data \ Microsoft \ Network \ Downloader \ qmgr * .dat”

Step 4: Rename the SoftwareDistribution folder and catroot2. Type the following command in turn and press Enter.

• Ren% systemroot% \ SoftwareDistribution SoftwareDistribution.bak
• Ren% systemroot% \ system32 \ catroot2 catroot2.bak

Step 5. Reset BITS and Windows Update services. Paste the following commands one by one and press Enter.

• sc.exe sdset Bits D: (A ;; CCLCSWRPWPDTLOCRRC ;;; SY) (A ;; CCDCLCSWRPWPDTLOCRSDRCWDWO ;;; BA) (A ;; CCLCSWLOCRRC ;;; AU) (A ;; CCLCSWROCWPD ;; L
• sc.exe sdset wuauserv D: (A ;; CCLCSWRPWPDTLOCRRC ;;; SY) (A ;; CCDCLCSWRPWPDTLOCRSDRCWDWO ;;; BA) (A ;; CCLCSWLOCRRC ;;; AU) (A ;; CCLCSWRPWPD;

Step 6: Then, in the Command Prompt window, type the following command and press Enter.

cd / d% windir% \ system32

Step 7. Register the BITS files and associated DLL files. The following DLL file must be registered to complete the process. Type each line into the command line and press Enter.

regsvr32.exe atl.dll
regsvr32.exe urlmon.dll
regsvr32.exe mshtml.dll
regsvr32.exe shdocvw.dll
regsvr32.exe browsereui.dll
regsvr32.exe jscript.dll
regsvr32.exe vbscript.dll
regsvr32.exe scrrun.dll
regsvr32.exe msxml.dll
regsvr32.exe msxml3.dll
regsvr32.exe msxml6.dll
regsvr32.exe actxprxy.dll
regsvr32.exe softpub.dll
regsvr32.exe wintrust.dll
regsvr32.exe dssenh.dll
regsvr32.exe rsaenh.dll
regsvr32.exe gpkcsp.dll
regsvr32.exe sccbase.dll
regsvr32.exe slbcsp.dll
regsvr32.exe cryptdlg.dll
regsvr32.exe oleaut32.dll
regsvr32.exe ole32.dll
regsvr32.exe shell32.dll
regsvr32.exe initpki.dll
regsvr32.exe wuapi.dll
regsvr32.exe wuaueng.dll
regsvr32.exe wuaueng1.dll
regsvr32.exe wucltui.dll
regsvr32.exe wups.dll
regsvr32.exe wups2.dll
regsvr32.exe wuweb.dll
regsvr32.exe qmgr.dll
regsvr32.exe qmgrprxy.dll
regsvr32.exe wucltux.dll
regsvr32.exe muweb.dll
regsvr32.exe wuwebv.dll

Step 8: Remove invalid registry values ​​from Registry Editor. Press Windows Key + R, type regedit.exe and press Enter. The Registry Editor will open. Now go to the next location and delete the following entries if they exist.

HKEY_LOCAL_MACHINE \ COMPONENTS

• PendingXmlIdentifier
• NextQueueEntryIndex
• AdvancedInstallersNeedResolving

Step 9: restart your computer. You will need to bookmark this article so that you can access this guide after restarting your computer.

Step 10: reset Winsock. Copy and paste the following command into your administrative command prompt and press Enter.

• Reset Netsh Winsock

Step 11: Start BITS, WUAUSERV, APPIDSVC and CRYPTSVC services. Run the following command one after the other.

• Network boot bits
• Clean start wuauserv
• Net Startup appidsvc
• cryptsvc clean boot

Step 12. Restart your computer and try updating Windows 10 again. This will most likely solve your problem.

Use the Windows Update troubleshooter

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If your computer is having problems detecting and installing operating system updates, use the Windows Update troubleshooter to resolve the issue. It makes sure that your computer is connected to the Internet and verifies that your network card and Windows Update services are working correctly.

Here are some things you can try if you’re having trouble installing updates:

• Make sure your device is connected to the Internet. Internet connection is required to download updates.
• If you are connected to the Internet and the updates are not automatically installed, wait a few minutes and then try installing the updates manually. Click the Start button, then select Settings> Update & Security> Update Windows, then check for updates.
• Run Windows Update Troubleshooter. Select the Start button, then Settings> Update & Security> Troubleshoot. Under commissioning, select Windows Update.
• Remember to re-enable your firewall and anti-virus software after installing the update.

RECOMMENATION: Click here for help with Windows errors.