Dell SupportAssist v3.3.1.95

My XPS 15 9350 reports that Dell Support Assist v3.3.1.95 is installed; however, it just hangs when run with full admin privileges.  When trying to either upgrade or remove my event viewer reports:

Log Name:      Application

Source:        MsiInstaller

Date:          28/10/2019 08:02:13

Event ID:      11714

Task Category: None

Level:         Error

Keywords:      Classic

User:          DELLXPS159530\Michael

Computer:      DELLXPS159530

Description:

Product: Dell SupportAssist -- Error 1714. The older version of Dell SupportAssist cannot be removed.  Contact your technical support group.  System Error 1648.

Event Xml:

http://schemas.microsoft.com/win/2004/08/events/event">

 

    

    11714

    2

    0

    0x80000000000000

   

    14270

    Application

    DELLXPS159530

   

 

 

    Product: Dell SupportAssist -- Error 1714. The older version of Dell SupportAssist cannot be removed.  Contact your technical support group.  System Error 1648.

    (NULL)

    (NULL)

    (NULL)

    (NULL)

    (NULL)

   

   

    7B39354244364533302D324231382D344642302D423541452D3832353045353538343833317D

 

Can anybody advise a proven solution aside from a clean install?

Thank you in anticipation.