Can’t start a DCOM server on Windows 11/10


If Event Viewer displays an error message that says Cannot start a DCOM server, this guide will help you solve the problem in a few moments. There could be several reasons why you are experiencing this problem. However, this article covers almost everything you need to find to fix this issue on Windows 11 and Windows 10 computers.

Can’t start a DCOM server on Windows 11/10

To fix Unable to start a DCOM server in Windows 11/10, follow these steps:

  1. Repair Microsoft Office
  2. Disable third-party antivirus
  3. Troubleshoot clean boot
  4. Delete registry keys

To learn more about these aforementioned steps, read on.

1]Repair Microsoft Office

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Can't start a DCOM server on Windows 11/10

As this problem mainly occurs due to corrupted Microsoft Office or Microsoft 365 applications, you need to repair Office installation once to get rid of this problem. The good news is that you do not need to download any third-party applications to repair the Microsoft Office installation on your computer. On the other hand, you do not need to be connected to the Internet as you are about to use quick repairwhich works offline.

However, if this does not resolve the issue on your computer; you must use the online repair option. For this, you need to connect your computer to the Internet.

To repair Microsoft Office in Windows 11/10, follow these steps:

  • hurry win + me to open Windows Settings.
  • Anger Applications > Applications and features.
  • find microsoft office Where Microsoft 365.
  • Click on the three dots icon and select the Edit option.
  • Click on the Yes button.
  • make sure that quick repair option is selected.
  • Click it repair button.
  • Wait for the process to complete.

Once done, you need to restart your computer. After that, you will no longer encounter this problem.

2]Disable third-party antivirus

If you are using third-party antivirus software on your computer, now is the best time to temporarily disable it. Sometimes Windows security may not stand up to Third-Party Security Shield. Therefore, you may encounter this problem on your computer. Therefore, it is recommended to disable the third-party antivirus installed on your computer and check if it fixes the problem or not.

3]Troubleshoot clean boot

Clean Boot is one of those states where you can tell if this problem is caused by a faulty driver or application or something else. So it is recommended to start your PC in safe mode and check for any faulty drivers or something else.

4]Delete registry keys

Can't start a DCOM server on Windows 11/10

You need to delete some registry keys to get rid of this problem. However, it is strongly recommended to backup all registry files before deleting anything. To do this, follow these steps:

  • hurry Win + R to open the Run message.
  • Paste regedit and hit it Get in button.
  • Click on the Yes option.
  • Navigate to this location: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesSharedAccessParametersFirewallPolicyFirewallRules
  • Right click on the firewall rules > select the Remove option.
  • Click on the Yes button.

After that, you need to remove the following keys:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesSharedAccessParametersFirewallPolicyRestrictedServicesConfigurableSystem

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesSharedAccessParametersFirewallPolicyRestrictedServicesAppIsoFirewallRules

Once done, restart your computer and check if the issue still occurs or not.

Failed to start DCOM server Event ID 10000

To fix Unable to start DCOM server event ID 10000 in Windows 11/10, you need to follow the steps mentioned above. For example, you need to repair your Microsoft Office or Microsoft 365 installation first. If that doesn’t help, you need to resolve the issue in safe mode. On the other hand, it is suggested to disable third-party antivirus if you are using any. Finally, you need to delete some registry keys as mentioned above, run an SFC scan on your computer, use the DISM tool, etc.

That’s it! I hope this guide has helped.

Read: Fix DCOM Event ID 10016 error on Windows 11/10

Can't start a DCOM server on Windows 11/10

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