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Fix Error code 0x80070043 Windows cannot Access on Windows 11/10

Error code 0x80070043 typically indicates a network-related issue when trying to access a shared folder or network resource. Here's how you can troubleshoot and resolve this error on Windows 11 or Windows 10:


1. Check Network Connectivity:

   Ensure that both your computer and the target computer/server are connected to the same network. Verify the network cables, Wi-Fi connection, or any other means of connection you're using.


2. Check File Path:

   Make sure you're using the correct file path to access the shared folder. The format should be something like `\\computername\sharedfolder` or `\\IPaddress\sharedfolder`.


3. Verify Share Permissions:

   On the computer that's sharing the folder, check the share permissions. Right-click on the shared folder, choose "Properties," go to the "Sharing" tab, and ensure the correct users/groups have appropriate permissions.


4. Check Firewall and Security Software:

   Firewalls or security software can block network access. Temporarily disable your firewall and any third-party security software to see if they are causing the issue. If this solves the problem, create exceptions in the firewall settings for the required network services.


5. Use IP Address Instead of Computer Name:

   Sometimes using the IP address instead of the computer name can resolve network path issues.


6. Enable Network Discovery:

   If you're trying to access shared resources on another computer, make sure that network discovery is enabled on both computers. This can be done through the Network and Sharing Center in the Control Panel.


7. Check Workgroup or Domain Settings:

   If you're on a workgroup or domain network, ensure that your computer is part of the correct workgroup or domain. Mismatched settings can cause access issues.


8. Check SMB Version Compatibility:

   Ensure that the Server Message Block (SMB) version used for sharing is compatible. Windows 11 and 10 support newer SMB versions. You might need to adjust settings if connecting to an older server.


9. Map Network Drive:

   If you're accessing the shared folder frequently, consider mapping it as a network drive. This can sometimes bypass connectivity issues.


10. Update Network Drivers:

    Outdated or incompatible network drivers can cause connection problems. Update your network drivers to the latest version from your manufacturer's website.


11. Reset Network Settings:

    If all else fails, you can try resetting your network settings. Open Command Prompt as an administrator and run the following commands:

    ```

    netsh winsock reset

    netsh int ip reset

    ipconfig /release

    ipconfig /renew

    ```

    After running these commands, restart your computer.


If the error persists, it might require more advanced troubleshooting. In such cases, consider seeking help from a professional or your IT department, especially if the issue involves a corporate network.


Here is a shorter summary of the possible causes and solutions for error code 0x80070043:

  • Incorrect file path: Make sure you are using the correct file path to access the shared folder.
  • Incorrect share permissions: Check the share permissions on the computer that's sharing the folder.
  • Firewall or security software: Temporarily disable your firewall and any third-party security software to see if they are causing the issue.
  • Mismatched workgroup or domain settings: Make sure your computer is part of the correct workgroup or domain.
  • Outdated network drivers: Update your network drivers to the latest version.
  • Disabled network discovery: Enable network discovery on both computers.
  • Incompatible SMB version: Make sure the SMB version used for sharing is compatible.
  • Problem with the remote computer: Contact the administrator of the remote computer for assistance.

I hope this helps!

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