If the Event Viewer is showing an error message saying Unable to start a DCOM Server, this guide will help you fix the issue within moments. There could be various reasons why you are getting this problem. However, this article covers almost all the things you need to look for to troubleshoot this problem on Windows 11 and Windows 10 computers.
Unable to start a DCOM Server in Windows 11/10
To fix Unable to start a DCOM Server in Windows 11/10, follow these steps:
- Repair Microsoft Office
- Disable third-party antivirus
- Troubleshoot in Clean Boot
- Delete Registry keys
To learn more about these aforementioned steps, keep reading.
1] Repair Microsoft Office
As this problem mainly occurs due to corrupted Microsoft Office or Microsoft 365 apps, you need to repair the Office installation once to get rid of this issue. The good news is that you do not need to download a third-party application to repair the Microsoft Office installation on your computer. On the other hand, you do not need to be connected to the internet since you are about to use Quick Repair, which works offline.
However, if it doesn’t fix the issue on your computer; you need to use the Online Repair option. For that, you need to connect your computer to the internet.
To repair Microsoft Office on Windows 11/10, follow these steps:
- Press Win+I to open Windows Settings.
- Go to Apps > Apps & features.
- Find out Microsoft Office or Microsoft 365.
- Click the three-dotted icon and select the Modify option.
- Click on the Yes button.
- Ensure that the Quick Repair option is selected.
- Click the Repair button.
- Wait for it to finish the process.
Once done, you need to reboot your computer. After that, you won’t find this issue anymore.
2] Disable third-party antivirus
If you use third-party antivirus software on your computer, now is the best time to disable it temporarily. At times, Windows Security might not cope up with the third-party security shield. As a result, you might get this problem on your computer. Therefore, it is recommended to disable the third-party antivirus installed on your computer and check if it resolves the issue or not.
3] Troubleshoot in Clean Boot
Clean Boot is such a state where you can find out whether this problem is occurring due to a faulty driver or app or something else. Therefore, it is recommended to boot your PC into Safe Mode and check if there is some defective driver or something else.
4] Delete Registry keys
You need to delete some Registry keys to get rid of this problem. However, it is highly recommended to backup all registry files before deleting anything. To do that, follow these steps:
- Press Win+R to open the Run prompt.
- Type regedit and hit the Enter button.
- Click on the Yes option.
- Navigate to this location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules
- Right-click on the FirewallRules > select the Delete option.
- Click on the Yes button.
After that, you need to delete the following keys:
Once done, restart your computer and check if the problem remains or not.
Related: Fix DCOM Error 1084.
Unable to start a DCOM Server Event ID 10000
To fix Unable to start a DCOM Server Event ID 10000 on Windows 11/10, you need to follow the aforementioned steps. For example, you need to repair the Microsoft Office or Microsoft 365 installation first. If that doesn’t help, you need to troubleshoot the issue in the Safe Mode. On the other hand, it is suggested to disable the third-party antivirus if you are using any of them. At last, you need to delete some registry keys as mentioned above, run the SFC scan on your computer, use the DISM tool, etc.
That’s all! Hope this guide helped.