I am getting continuous certificate warnings when accessing the Microsoft Store from within Microsoft Outlook 2019 (Desktop version). It happens whenever I attempt to access the Add-Ins section from the Outlook toolbar i.e. Home -> Get Add-Ins.
I reviewed various technical websites to find a solution but the results are either unrelated or do not apply to the same software version.
As this is my first post on this site, I am unable to embed images in my posts but I have attached a screenshot of the error as follows:
Edit: Requested screenshot of certificate as follows:
Does anyone know why this is happening and how I can fix it?