The error 0x80070643 has been pretty common on Windows 11 or Windows 10 OS nowadays. Many users are facing the following error on their Windows PC. However, it’s not a very major issue, but it can go more worst depending upon the situation. The 0x80070643 Windows 11/10 error can arise because of corrupted Windows Defender definitions, .NET Framework, or update components. If you are facing the following issue on your Windows PC, then you are in the right place. We have mentioned how you can fix the error 0x80070643 in your PC. Keep reading the post till the end to know more about it.
How to Fix 0x80070643 Update or Install Error on Windows 11/10?
Method 1: Run the Windows troubleshooter
Running the Windows troubleshooter is the first and best option for attempting to resolve the problem. To use it, go to Settings, then to System, and then to Troubleshoot. Click on the Run button next to the Windows update text after clicking on the other troubleshooters. This will start the troubleshooter and, if it discovers an issue, it will alert you and solve it. The first technique will fix the majority of users’ problems; if not, move on to the second way.
Method 2: Execute system file scan
Running a scan for all the system files might help you to get rid out of this issue. To begin, open search and type CMD. The command prompt will appear as result, open it as administrator. Now type the command sfc /scannow and hit enter to run it. Thereafter, wait for the system file scan to reach the 100 per cent mark and display its outcome in the Command Prompt. Now check whether the 0x80070643 error got solved for you or not.
Method 3: .Net Framework 4.8 Installation
First of all, open the website by clicking here. Now go to the website and download the most recent version of the.Net Framework 4.8. The pop-up box will display as soon as you click on download; click Save to save the file. As soon as the files have finished downloading, open the File Manager and navigate to the location where the.Net Framework was downloaded. Double-click the downloaded file to launch the installer. To install the runtime package, follow the on-screen instructions and then use the setup wizard.
Method 4: .NET Framework Repair
Open the Microsoft .NET Framework Repair tool page by clicking here. Now click on the download button to download NetFxRepairTool. As soon as it finishes downloading, open the File Manager, double click on the repair tool to run it. Accept and the terms and conditions and click on the Next button. This initiates the fix and will repair the .NET Framework.
Method 5: Turn off third-party anti-virus software
If you are using any third-party anti-virus software, then it will be better to turn it off temporarily for some time.
Method 6: By Changing SoftwareDistribution subfolder name
Open the command prompt and run it as administrator. Now type the following commands one by one and hit enter to execute the commands.
net stop wuauserv net stop bits
rename c:\windows\SoftwareDistribution SoftwareDistribution.bak
net start wuauserv net start bits
Method 7: Reset Catroot2 folder
To reset the Catroot2 folder, open the command prompt and run it as administrator. Now run the following command one by one and hit enter.
net stop cryptsvc md %systemroot%\system32\catroot2.old xcopy %systemroot%\system32\catroot2 %systemroot%\system32\catroot2.old /s
Now open the catroot folder in file manager by going to the following path: C:\Windows\System32\catroot2. Select all the content and files present there and delete them. Now open the command prompt again, type the following command again and hit Return.
net start cryptsvc
Method 8: Update Windows Defender’s Signature
To update Windows Defenders’ Signature, open the command prompt and type the following command and hit enter to run it.
“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -RemoveDefinitions -All
To update Windows Defender’s signatures, enter these two separate commands pressing Return after each:
“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate “%ProgramFiles%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate -MMPC
Now close the command prompt and restart the Windows PC and check whether the issue got fixed for you or not.
Thanks for sticking with us all the way end to the post. What do you think about the install error 0x80070643 and does the above-mentioned steps work for you or not? Do let us know by dropping a comment in your words down below.