How To fix a “RegSvr32 failed with exit code 0x3” error?

“unable to register the dll/ocx regsvr32 failed with exit code 0x3” error can come after installing any software and whenever you open software that you have installed from the internet or from CD, any external device.

Mostly you see this error like “unable to register the dll/ocx regsvr32 failed with exit code 0x3” or like “unable to register the dll/ocx regsvr32 0x3”.

unable to register the dll/ocx regsvr32 failed with exit code 0x3
| Image Used Under CC License. Unable to register the dll/ocx regsvr32 failed with exit code 0x3

Cause Of “RegSvr32 failed with exit code 0x3” Error:

These errors most probably happen when a particular software does not have sufficient permissions, and due to lack of permission, a software will be unable to register itself on your computer.

Another reason could be your anti virus is not letting your software the permissions to register itself.

So, we need to give permissions to that particular software that causing this issue, follow the solution which is given below.

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Solution 1: Run Program as Administrator

First, you need to install the software by right-clicking and selecting “Run as administrator,” as shown below.

  1. Right Click on the program (Which is causing the issue) to get the Options.

    Right-Click-on-Software-to-install
  2. Select “Run As Administrator.

    Select-Run-As-Administrator-to-install
  3. Now, you need to open the software by right-clicking and selecting “Run as administrator,” as shown below.
  4. Right Click to get the Options.

    Right-Click-on-Software
  5. Now Select “Run As Administrator

    Select-Run-As-Administrator

Now the software may not show “unable to register the dll/ocx regsvr32 failed with exit code 0x3” again.


Solution 2: Disable Antivirus

You need to make sure if an antivirus is causing “unable to register the dll/ocx regsvr32 failed with exit code 0x3” error, follow the steps to disable antivirus.

2.1 Turn off Windows Defender:

Follow the steps to turn off Windows Defender:

  1. Click on Start and go to Settings>Update&Security>Windows Security>Firewall & network protection, and open Windows Security Settings.
  2. Now Select a network profile.
  3. Now Switch the Settings On under the the Microsoft Defender Firewall.
  4. Restart your Computer.

2.2 Third-Party Antivirus

If you have antivirus other than Windows Defender, you would need to disable that for some time.

  1. Go to the right bottom of the taskbar and find the Antivirus.

    Rigt Bottom Task bar Antivrus options
  2. Right Click on Antivirus to get the options.
  3. Now select any option out of the given to disable Antivirus.

    Disable Antivirus

Now Restart your computer and see if “unable to register the dll/ocx regsvr32 failed with exit code 0x3” resolved.


Conclusion:

We have concluded the two best and easy solutions for error “unable to register the dll/ocx regsvr32 failed with exit code 0x3”.

If you have fixed this issue thank you for coming by and if you are still having this issue make sure to comment your query.

I will be glad to assist you and help you find a way to fix “unable to register the dll/ocx regsvr32 failed with exit code 0x3” error.


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