error code 0x80070643 in Microsoft windows 10

How to fix error code 0x80070643 in Microsoft windows 10
Hello charolataGursahaney,

I'm Jin, a fellow Windows 10 user and an independent advisor.

I can see that you are getting an error: 0x80070643. This error code usually appears while trying to download and install an update.

Here's a list of possible troubleshooting steps to help you fix the problem:

**Run the Windows Update troubleshooter.
You can refer to the link below on how to use the Windows Update troubleshooter:

**Run Disk Clean up
Use Disk Clean up to remove delete temporary files that might be causing the update.

**Download via Microsoft Update Catalog:
Manually download the update from Microsoft Update Catalog:
Select the exact update to download and install.

**Run SFC & DISM
Windows also has a built-in System File Check (SFC), kindly run SFC & DISM to fix any corrupted Windows System Files:

**Clear Windows Update Cache:
1. Open Command Prompt as Administrator.
2. Enter Commands:

net stop wuauserv
net stop bits

3. Press Windows key + R then type the path name:


4. Select all of it's contents then right-click and select Delete.
5. Open Command Prompt as Administrator again.
6. Type the commands:

net start wuauserv
net start bits

7. Restart the device and try updating again.

**Use the Update Assistant:

**Advanced Startup
Use Advanced Startup as well to repair any Windows system files that might be causing for the update to fail.
1. Open Settings
2. Select Update & Security
3. Click the Recovery tab.
4. Look for Advanced Startup then hit Restart now.
5. Once restarted, click Troubleshoot > Advanced Options > Startup Repair.
6. Let it complete the process and see if Windows will be repaired.

**Repair Windows using an installation media:
As a last resort, use an installation media and use the Windows Repair feature to repair your copy of Windows.
1. Click the "Download tool now" button.
2. Once downloaded run the MediaCreationTool2004.exe file.
3. Accept the terms.
4. Select Create an installation media, then hit Next.
5. Proceed with the prompts.
Once the installation media is created, double click on the file then on the Windows Setup screen, click on Repair your computer.

I hope this helps.

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Question Info

Last updated June 13, 2021 Views 30,403 Applies to: