What is Windows Error Code 0x80070043? Solutions to fix the Error Code

What is Windows Error Code 0x80070043?

Several users of Windows have reported encountering error code 0x80070043 when attempting to access files on external servers. This issue has also been observed while using specific applications, including Windows Office. Although the problem appears to be more common on Windows 7 and Windows 8.1, instances have also been reported on Windows 10 and Windows 11. The primary reason for this error is believed to be corrupted Windows system files that can impair the computer's performance and create security vulnerabilities.

Cause of Windows Error Code 0x80070043

After reviewing multiple user reports and testing various repair methods commonly suggested by others who have managed to resolve this issue, it has become evident that there are several scenarios that can cause this particular error. Here are some of the potential causes:

SMB file transfers are disabled

• One possible cause of this issue is a disabled policy that is necessary for SMB file transfers. To resolve this, you can enable the Network startup Local policy in the Local Group Policy Editor.

Condition error in the Temp folder

• According to some affected users, this error can occur due to a condition error in the Temp folder. To fix this, boot your computer in safe mode and delete the contents of the Temp folder.

System file corruption

• System file corruption can also trigger this behavior, which may prevent the OS from keeping track of the correct locations of the files you're trying to open. In this case, you can use utilities such as SFC and DISM to fix the issue.

Third-party interference

• A recently enforced process or service may be interfering with the OS's ability to execute InstallShield installations, which can cause this error. You can use the System Restore utility to restore your computer to a state where these circumstances did not exist.

Underlying OS corruption

• In rare cases, conventional methods may not resolve the issue. If SFC and DISM do not work, the only option is to perform an operation such as a clean install or repair install to reset every OS component.

How to fix Windows Error Code 0x80070043?

Fix 1: Enable SMB File Transfers

One of the most common causes of error code 0x80070043 is a disabled policy that is necessary for SMB file transfers. To fix this, you can enable the Network startup Local policy in the Local Group Policy Editor. Here's how:

• Step 1: Press the Windows key + R to open the Run dialog box.
• Step 2: Type "gpedit.msc" and hit Enter to open the Local Group Policy Editor.
• Step 3: In the editor, navigate to Computer Configuration > Administrative Templates > Network > Lanman Workstation.
• Step 4: Locate the "Enable insecure guest logons" policy and double-click it.
• Step 5: Check the "Enabled" box, then click Apply and OK.
• After making these changes, try to access the files again and see if the error is resolved.

Fix 2: Delete Contents of Temp Folder

Another potential cause of this error is a condition error inside the Temp folder. To fix this, you can boot your computer in safe mode and delete the contents of the Temp folder. Here's how:

• Step 1: Press the Windows key + R to open the Run dialog box.
• Step 2: Type "msconfig" and hit Enter to open the System Configuration window.
• Step 3: Click the Boot tab and check the "Safe boot" box, then click Apply and OK.
• Step 4: Restart your computer in Safe Mode.
• Step 5: Press the Windows key + R to open the Run dialog box.
• Step 6: Type "%temp%" and hit Enter to open the Temp folder.
• Step 7: Delete all the contents of the Temp folder.
• Step 8: Restart your computer and try to access the files again.

Fix 3: Use SFC and DISM to Fix System File Corruption

• If the above methods do not work, you may have some type of system file corruption that is causing the error. You can use utilities such as SFC (System File Checker) and DISM (Deployment Image Servicing and Management) to fix this issue. Here's how:
• Step 1: Press the Windows key + X and select "Command Prompt (Admin)" from the menu.
• Step 2: Type "sfc /scannow" and hit Enter to run the SFC utility. This will scan for and repair any corrupted system files.
• Step 3: After SFC is complete, type "DISM /Online /Cleanup-Image /RestoreHealth" and hit Enter to run the DISM utility. This will repair any system file corruption that SFC could not fix.
• Step 4: Restart your computer and try to access the files again.

Method 4: Use System Restore to Roll Back Recent Changes

If the error began occurring after making recent changes to your computer, it's possible that a process or service is interfering with the OS's ability to execute InstallShield installations. In this case, you can use the System Restore utility to restore your computer to a state where these circumstances did not exist. Here's how:

Step 1: Press Windows key + R to open

Step 2: Type rstrui to enter the System Restore.

Step 3: Click Next when the explanation window is shown to you.

Step 4: Check the Show more restore points first. Then all the saved computer states will be presented to you. Select previous restore point that you created before you met error code 0x80070043 on Windows 10/11. And click Next.

Step 5: Confirm restore point. If you are sure the current system restore point you choose is right, click Finish to end operation.

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