The 0x80070643 error is a Windows Update error. It may appear on your computers due to several reasons. Though this error does not pose any harmful threats to your system it is still advisable to fix it to ensure your system works perfectly and there are no installation issues.
Error CausesThe error 0x80070643 error code is usually triggered:
Though it does not cause any serious damages it is advisable to repair this issue as it may hamper your ability to install updates on your PC.
If you experience the error 0x80070643 on your PC, you don’t have to panic. This error is rated as easy to resolve. All you have to do to fix this error is to uninstall and reinstall the .NET Framework.
Here is a step by step guide to repairing the error 0x80070643:
Follow these steps to resolve the 0x80070643 error code issue immediately. Nonetheless, to avoid the error 0x80070643 from occurring again, it is suggested that you download the Windows Update tool.
This helps keep your system updated. By updating the latest vulnerability and performance improvements on your PC, you can ensure your PC works smoothly and is not exposed to such errors and threats.

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Automatic Windows cleanups can mostly take care of these things but for top-notch performance clearing cache manually is a far better option. We will here explore various cache temporary files, where they are, and how to clean them. Sit back and let’s do some cleaning!
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetEnumHIDStep 8: From this folder, you have to start matching the values in the first part of the value you’ve taken note of. Step 9: Open the folder which has the same value and repeat this for the second part of the value. Step 10: Afterwards, click on the Device Parameters and look for a property named “FlipFlopWheel” and invert its value from 0 to 1 or 1 to 0 to reverse the scrolling direction. And then restart your PC to apply the changes made. After you restart your PC, you should see the changes in the scrolling direction of your mouse. Note that you can change the value back to its original value or just use the registry backup to undo the changes you’ve made.