How to Fix 0x80070643 Error

0x80070643 is an annoying error that is associated with Windows Update. In fact, there are many Windows users that have reported having this error appear while they were trying to update their systems or were installing some program. There is a way to fix the 0x80070643 error, and this article will tell you how.

First of all, let’s see what exactly the error message says:

There were problems installing some updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help:
– Definition Update for Windows Defender –KB2267602 (Definition 1.213.1379.0) – Error 0x80070643

It should be noted that the solutions for the 0x80070643 may depend on the way the error was triggered in the first place. Jake Kovoor from SaintLad has outlined several ways to deal with the error, but one particular method stands out as it has fixed the error for many users (Jake included).

How to Fix 0x80070643 Error – Solution 1

Here’s what steps should be taken for this solution to work:

1. Go to Services (you can directly search for Services on your Windows system)
2. Locate Background Intelligent Transfer Service in the Services list and then right-click to Stop it.
3. Then, find Windows Update in the Services list and right-click to Stop it.
4. Open up File Explorer and copy-paste the following link into the search bar at the top:
c:WindowsSoftwareDistributionDownload
5. Delete all the contents in it. Don’t worry, this will not delete any of your data. It will only delete the latest Windows updates.

After you’ve completed these steps, it is now time to install Windows updates without facing the 0x80070643 error.

How to Fix 0x80070643 Error – Solution 2

Another method for fixing the error includes the following steps:

1. Open up Apps & Features option in Windows Settings.
2. Under the list of apps, locate the update with the said error code (for example “Windows Update #4023057”). It should be there, listed under Installed Programs as an update.
3. Remove the update.Uninstall it by right-clicking the update and selecting Uninstall.
4. The final step in this solution requires restarting the computer and then running the Windows update once again.

How to Fix 0x80070643 Error – Solution 3

If none of these worked, you can try fixing the error via Windows Update. You can try restarting your computer and then install the program or the update once again.

Another way is to restart the Windows Installer Service. Keep in mind that faulty configurations in Windows Installer Service may mess with installations and eventually cause various errors such as 0x80070643. So installing this service may fix the issue by completing these steps:

1. On your keyboard press both the Windows Key and the R key to open up the Run box.
2. Type services.msc and then hit the Enter button.
3. Click on Windows Installer and then hit the Restart button.

How to Fix 0x80070643 Error – Solution 4

Another method for fixing the the 0x80070643 error requires fixing a corrupted .NET Framework installation, as such an installation may be at fault for various issues. If the latter gets damaged in any way, then it would definitely cause the computer to fail installing updates or any other program.

So, if this is the case, what shall you do?

First, download the official .NET Framework Repair Tool developed by Microsoft and then open it. The tool should automatically repair any issues if such are found.

You can also go to Microsoft’s .NET Framework download page to download the latest available version of the .NET Framework, and install it by following the instructions.

OFFER

REMOVE IT NOW (PC)

with Spy Hunter

may remain persistent on your system and may re-infect it. We recommend you to download SpyHunter and run free scan to remove all virus files on your PC. This saves you hours of time and effort compared to doing the removal yourself.

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

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Preparation before removing .

Before starting the actual removal process, we recommend that you do the following preparation steps.

• Make sure you have these instructions always open and in front of your eyes.
• Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
• Be patient as this could take a while.

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Step 1: Boot Your PC In Safe Mode to isolate and remove

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!

We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria

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1. Hold Windows key() + R

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2. The “Run” Window will appear. In it, type “msconfig” and click OK.

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3. Go to the “Boot” tab. There select “Safe Boot”, tick “Network” and then click “Apply” and “OK”. Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.

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4. When prompted, click on “Restart” to go into Safe Mode.

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5. You can recognise Safe Mode by the words written on the corners of your screen.

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Step 2: Clean any registries, created by on your computer.

The usually targeted registries of Windows machines are the following:

• HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionRun
• HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun
• HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionRunOnce
• HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRunOnce

You can access them by opening the Windows registry editor and deleting any values, created by there. This can happen by following the steps underneath:

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1. Open the Run Window again, type “regedit” and click OK.

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2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.

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3. You can remove the value of the virus by right-clicking on it and removing it. Tip: To find a virus-created value, you can right-click on it and click “Modify” to see which file it is set to run. If this is the virus file location, remove the value.

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Step 3: Find files created by

For Windows 8, 8.1 and 10. For Windows XP, Vista, and 7.

For Newer Windows Operating Systems

1: On your keyboard press  + R and write explorer.exe in the Run text box and then click on the Ok button.

2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.

3: Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:

N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.

For Older Windows Operating Systems

In older Windows OS’s the conventional approach should be the effective one:

1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.

2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.

3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.

Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.

IMPORTANT!
Before starting “Step 4”, please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for with SpyHunter Anti-Malware Tool

1. Click on the “Download” button to proceed to SpyHunter’s download page.

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It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

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2. After you have installed SpyHunter, wait for it to update automatically.

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3. After the update process has finished, click on the ‘Malware/PC Scan’ tab. A new window will appear. Click on ‘Start Scan’.

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4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the ‘Next’ button.

If any threats have been removed, it is highly recommended to restart your PC.

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Step 5 (Optional): Try to Restore Files Encrypted by .

Ransomware infections and aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the reccomended Data Recovery software by clicking on the link underneath:2. On the download page, click on the “Download” button:

3. Click on “Save File” button:

4. Accept all agreements and click “Next”:

5. After all the “Next” steps, click on “Install” and then wait for the installation to complete:

6. Run the software. Click on the location to scan for missing or deleted files and click on “Scan”:

7. Wait for the scan to complete, it may take some time. Be advised that this scan is not 100% guaranteed to recover all files, but it does have some chance to get your data back:

For more “how-to” file recovery methods and steps, you can visit our instructive article on “

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles!
Follow Milena @Milenyim

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