eConnect 10 SP4 "Access is denied" error

When trying to install eConnect 10 Service Pack 4 on a Windows Server 2008 R2 server, the service pack install started, but before it completed, I received the following error message:

Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))


Since this was on a Server 2008 machine, I immediately suspected that User Account Control was causing the issue.

So I tried right clicking on the service pack file so that I could select the deliciously omnipotent "Run as Administrator" option...but...

Heavens to Murgatroyd! The Run as Administrator was not listed when I right clicked on the ".msp" service pack file. Lovely. I'd seen this before, but forgotten about it.

Fortunately, like all good security measures, there's no need to kick down the front door when there's a rickety screen door in back.

So I then found my good buddy the Command Prompt icon in the Start Menu and right clicked on it, and then selected Run as Administrator.

With my fancy new C prompt, I then did a 'cd' over to the directory containing the service pack, typed in the name of the msp file, and it finally obeyed. The installation went fine from there.