How to Fix DCOM Error 10016 on Windows 7, 8 and 10

Getting a DCOM error with an event ID 10016 means that a program tried to start the DCOM server with using the DCOM infrastructure, but the user doesn’t have necessary permissions to do so. This is a known error that remains from older Windows editions, but it isn’t actually solved when you upgrade to a newer version of the OS and is also seen in Windows 8 and 10.

You will receive this in a form of a system error, and you will also get a message which contains a CLSID and APPID. This error may be completely harmless, but seeing it and having to deal with it all the time can be annoying.

There is a solution that has been proven to work for a lot of users, and to do that you will need the CLSID and APPID from the error message, and you should follow the steps in the method below.

Give the app causing the error sufficient permissions

The CLSID and APPID are unique to an app – and having them both can help you in identifying the app causing the issues. Even if you know which app is causing the problems, all you need to do is give it sufficient permissions so it doesn’t cause problems every time it needs them. The steps to do so are very simple.

1. Press simultaneously the Windows and R keys on your keyboard, and type regedit in the Run Press Enter or click OK to open the Registry Editor.
2. From the Registry Editor, expand the HKEY_CLASSES_ROOT folder, and the CLSID folder inside.
3. Find the folder with the CLSID you received in the error message, then right-click it and select
4. Click At the top, you will see the owner – change it to Administrators group.
5. Below the owner line, you will see a box, Replace owner … , you should check it.
6. Apply full control.
7. Once you’re done, expand the HKEY_LOCAL_MACHINE Inside, expand these folders: Software, then Classes, then AppID.
8. Go to the folder which has the same APPID you received in your error message. Right-click it, and choose
9. Using steps 4 through 6, give the app the sufficient permissions.
10. Note that when you’re looking at the folders with the CLSID and APPID, you will see a registry key with the name of the service causing the issue.
11. Press the Windows key, and either type Control Panel and open the result, or open the Control Panel from the Start menu, depending on which version of Windows you’re using.
12. Switch to icons view at the top right, and open Administrative Tools.
13. Open Component Services.
14. Click Computer, followed by My Computer, and finally
15. Find the service that’s causing the issue, right-click it, and select properties.
16. Click the Security tab, and click Add user. Add the Local Service user, and click Apply.
17. Check the Activate

Even though this might seem like a long and exhausting way to solve the issue, it is actually the one that has been reported to work for a vast majority of the users having this problem. Follow it carefully step by step, and you will have the DCOM error gone in no time.

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