Windows 10: There is no email program associated to perform ... Please install ...

I have been getting the message above for a few weeks on Outlook 2010. I have been looking online for solutions.
As I was reluctant to uninstall office I have tried a few other suggestions:
- I have deleted outlook as client in the registry.
- I have added a new client in the registry directing to mapi32.dll.
- I tried a downloaded fix mentioned.
No luck.

I then decided to install Office 2019 and uninstall 2010. Still the same message.

I am using Win10 1903. I do not and did not - before deleting outlook as client in the registry - have the option of setting Outlook as my default program in the settings.

What else can I do to get rid of this message?

:)

 

No email program associated to perform the requested action

There is no email program associated to perform the requested action

When I click on a name or email address in an article I get a message box saying:

There is no email program associated to perform the requested action. Please install an email program or, if one is already installed, create an association in the Default Programs control panel.

I read how to fix the problem on another thread but under step 3 Microsoft Outlook is not shown in my registry editor:

"This issue may occur if the Outlook registry key is corrupted. When other programs try to use the Outlook Simple MAPI interface, they cannot retrieve the required information from the registry.

You must first remove the corrupted Outlook registry key, and then perform a Detect and Repair operation to have Outlook rebuild the key. To do this, follow these steps:

1. Click Start, and then click Run.
2. In the Open box, type regedit, and then press ENTER.
3. In Registry Editor, locate the following subkey in the registry: HKEY_LOCAL_MACHINE\Software\Clients\Mail\Microsoft Outlook
4. Select the subkey, and then press DELETE.
5. Click Yes.
6. Quit Registry Editor.
7. Start Outlook.
8. On the Help menu, click Office Diagnostics.
9. Follow the instructions on the screen to complete the repair.

 

There is no email program associated

How do I fix this issue: "There is no email program associated to perform the requested action. Please install an email program or, if one is already installed, create and association in the Default Programs control panel."
There is no Default Programs in the control panel, only Default Apps.
In default apps my email, Outlook.com, is not listed.

 

there is no email program associated to perform the requested action

I'm sure what you mean re User Accounts what is listed under Mail. There were no mail references. Same with Set defaults by app.