Security Center failed to validate caller with error DC040780

You may see Security Center Failed to Validate Caller with Error (DC040780) because of a corrupted system file or due to the interference of a third-party antivirus with the Windows security system. In this article, we are going to fix the error with the help of some simple solutions.

What causes Security Center Failed to Validate Caller error?

This error is usually caused due to some conflict between your Windows Security Center and the installed 3rd-party antivirus software. However, in this article, we have accumulated all the possible solutions to fix the error.

Security Center Failed to Validate Caller with Error DC040780

Before checking any solutions, we recommend you update your OS. Sometimes, updating itself can fix the issue. Even if it doesn’t resolve the error, you will at least be assured that the error is not because of an outdated OS.

These are the things you need to do to fix Security Center Failed to Validate Caller with Error (DC040780).

1. Remove Third-Party Antivirus
2. Disable Windows Defender
3. Disable Windows Security via Registry
4. Disable the Acronis Active Protection
5. Troubleshoot in Clean Boot State
6. Update BIOS.
7. Bring this to the notice of your 3rd-party security software vendor

Let us talk about them in detail.

1] Remove or Temporarily disable Third-Party Antivirus

Remember, third-party antiviruses can interfere with Windows Security. So, you can do either of two things, remove third-party antivirus or disable Windows Defender(will discuss hereinafter).

To remove any third-party antivirus, you can follow the given steps.

1. Launch Settings by Win + I.
2. Click Apps and search out your antivirus.
3. Select the Antivirus and click Uninstall.

Finally, follow the on-screen instructions to remove the third-party antivirus. Hopefully, it will resolve the error.

2] Disable Windows Defender and see

If you don’t want to remove the third-party antivirus, for whatever reason, you can disable  Windows Defender and check if the issue persists. For that, you have to follow the given steps.

1. Launch Settings by Win + I.
2. Click Update & Security > Windows Security > Firewall & network protection.
3. Click on the (active) network and disable the toggle.
4. No, go back to Windows Security and click Open Windows Security.
5. From “Virus & threat protection protection”, click Manage settings.
6. And disable all the toggles.

Finally, restart your computer and check if the issue is fixed.

3] Disable Windows Security

We have described above in this article that the issue “Security Center failed to validate caller with error DC040780” is caused due to the conflict between the third-party security software and Windows Security. Therefore, you can disable Windows Security and continue using your third-party antivirus software.

The steps to disable the Windows Security are listed below:

1. Launch the Registry Editor.
2. Navigate to the path in the Registry Editor that we will describe below.
3. Select the SecurityHealthService key. Change its value to 4.
4. Now, select another Registry key with the name wscsvc. Change its value to 4.
5. Close the Registry Editor.
6. Restart your computer.

Let’s have a deep look at the process:

Launch the Run dialog box by pressing Win + R keys. Type regedit and click OK. Click Yes if you get the UAC prompt. This will launch the Registry Editor.

In the Registry Editor, you have to navigate to the path written below. For this, simply copy it, paste it into the address bar of the Registry Editor, and hit Enter.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

Now, scroll down and find a key, named SecurityHealthService. Once you find it, select it.

On the right side, you will find a DWORD value, named Start. You have to change this value to 4. For this, double-click on the DWORD entry and enter the value 4. After that, click OK to save the changes.

Now, under the same path, scroll down to find another Registry key, named wscsvc. Once you find it, select it. This key also has a DWORD entry on the right side, named Start.

You have to change its value from its default value to 4. To do so, double-click on it and enter 4. After that, click OK. This will save the changes you have made.

Close the Registry Editor and reboot your device.

4] Disable the Acronis Active Protection

Some users have reported that they were encountering the error due to Acronis True Image software. To get rid of it, they have disabled the Acronis Active Protection. You can also try this method and see if it helps.

The steps to disable Acronis true Image Active Protection are listed below:

1. Launch Acronis True Image on your system.
2. Click Active Protection. You will find it on the left pane.
3. Click on the switch that says Acronis Protection is on. After that, it should say Acronis Protection is off.

After disabling Active protection, check whether the issue is solved or not.

5] Troubleshoot in Clean Boot State

The error can be because of a third-party antivirus interfering with the normal functioning of your OS. So, troubleshoot in Clean Boot State to check what’s causing the error and remove it to fix the issue.

6] Update your system BIOS

If none of the above methods fixed the issue on your computer, consider updating your system BIOS.

It should help.

7]  Bring this to the notice of your 3rd-party security software vendor

You should write to your 3rd-party security software vendor about this issue and ask them to resolve the error as soon as possible. You can get the contact details of the vendor from the Internet.

Why can’t I start Windows Security Center?

Sometimes, due to an error, users cannot turn on Windows Security. When they open Windows Security Center, they see a message that says “The Security Center service is turned off.” If they try to turn on the Security Center, they will get the following message:

The Windows Security Center service can’t be started

There are many causes of this error, such as:

1. You have not configured the Security Center correctly.
2. You have visited a malicious website due to which malware has entered your system that has turned the Windows Security off so that the hacker can have complete control of your system.

Windows Security is an essential service. It continuously scans your system for malicious software, viruses, and other security issues.

Hopefully, you have been able to fix the error with these solutions.

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