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.
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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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.
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.
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





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:



Step 3: Find files created by


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
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.
For more “how-to” file recovery methods and steps, you can visit our instructive article on “
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!Milena Dimitrova
Follow Milena @Milenyim
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.
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.
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





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:



Step 3: Find files created by


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
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
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.
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.
- Be patient as this could take a while.
Step 1: Uninstall and related software from Windows
OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it.



Step 2: Clean your Browsers from .
2. Select the “Add-ons” icon from the menu.
3. Select the unwanted extension and click “Remove“
4. After the extension is removed, restart Mozilla Firefox by closing it from the red “X” button at the top right corner and start it again.
2. Move the cursor over “Tools” and then from the extended menu choose “Extensions“
3. From the opened “Extensions” menu locate the unwanted extension and click on its “Remove” button.
4. After the extension is removed, restart Google Chrome by closing it from the red “X” button at the top right corner and start it again.
2. Click on the gear icon labeled ‘Tools’ to open the drop menu and select ‘Manage Add-ons’
3. In the ‘Manage Add-ons’ window.
4. Select the extension you want to remove and then click ‘Disable’. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click ‘Disable’.
5. After the unwanted extension has been removed, restart Internet Explorer by closing it from the red ‘X’ button located at the top right corner and start it again.
2. Open the drop menu by clicking on the icon at the top right corner.
3. From the drop menu select “Extensions”.
4. Choose the suspected malicious extension you want to remove and then click on the gear icon.
5. Remove the malicious extension by scrolling down and then clicking on Uninstall.
Step 3: 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:



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
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
OFFER
REMOVE IT NOW (MAC)
with Combo Cleaner
may remain persistent on your system and may re-infect it. We recommend you to download Combo Cleaner and run free scan to remove all virus files on your Mac. This saves you hours of time and effort compared to doing the removal yourself.
Preparation Phase:
Before starting to follow the steps below, be advised that you should first do the following preparations:
- Backup your files in case the worst happens.
- Make sure to have a device with these instructions on standy.
- Arm yourself with patience.
Step 1: Uninstall and remove related files and objects
OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with Combo Cleaner
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
Step 2: Remove – related extensions from your Mac’s browsers
Step 3: Scan for and remove files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as , the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
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