operation failed because of a registry installation problem

If you receive a “operation failed because of a registry installation problem – Outlook” message when opening the Rules and Alerts panel in Outlook, you can fix the issue as follows. To fix this issue, you need to edit the registry key for the Rules and Alerts panel.

The operation failed because of a registry or installation problem, say Outlook

To fix a registry or installation problem, follow these steps:

Restart Outlook
Update Office
Repair Microsoft Office
Re-create profile in OutlookTo learn more about these steps, continue reading.

1] Restart Outlook

Close Outlook completely and check the Task Manager to see if the outlook.exe process has ended. Open Outlook and see if the problem has gone away.

2] Update Office

As a bug, you need to update the Office app to stop the issue. You can update the Office app on your Windows 11/10 PC manually. If the automatic update doesn’t work, you can try updating Microsoft Office on Windows 11/10 PC manually.

Microsoft has released a hotfix for your Office installation. Whether you use Outlook 2016, 2013, 2010, or Microsoft 365, you can install the hotfix as per the version. For that, head to the support.microsoft.com website to download the hotfix.

3] Repair Microsoft Office

If the hotfix doesn’t work, you’ll need to repair your Microsoft Office installation. In the past, you could repair individual Office apps. But Microsoft Office has changed in recent years, so now you can only repair the entire installation, regardless of whether you’re using Windows 11, Windows 10, or an older version.

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

Open Windows Settings by pressing Win+I.
Navigate to the Apps section.
Click on the Apps & features menu on the right side.
Microsoft 365 can be found online.
Click on the Yes button.
Choose the Online Repair option.
Click the repair button.

Follow the screen instructions to get the repair done.

4] Re-create profile in Outlook

Whenever you add a mail account for the first time, Outlook creates a profile automatically. However, if the profile contains any conflict, it may cause the aforementioned issue. Therefore, you can create a new profile and use it for using Outlook.

To create an Outlook profile, follow these steps:

Open Outlook on your computer.
Click on the “File” menu.
Click the “Account Settings” link in the top navigation bar, then select “Manage Profiles” from the drop-down menu.
Click on the Show Profiles button to view the profiles of the people you’re following.
Click the “Add” button.
Enter the Profile Name in the text box and click the OK button.
Enter the email account credentials and set the account.

How do I fix my Outlook registry?

If you’re encountering Outlook registry issues, you’ll need to follow the aforementioned guide. Although it was a bug that was fixed a long time ago, you may still encounter this error. If so, you’ll need to download the appropriate hotfix and install it, or update your Microsoft Office installation.

How do I reset Outlook registry?

TheOutlook stores Registry values in the HKEY_CURRENT_USER/Software/Microsoft/Office/version/Outlook/Setup path. Deleting unnecessary keys from the Setup key is recommended, but be aware of what you’re deleting to avoid future trouble that may require an eventual app reinstall.