Hi Alan,

Howard Oakley has very good utilities for dealing with MRT and other macOS 
security updates. You can check them out here.
https://eclecticlight.co/lockrattler-systhist/ 
<https://eclecticlight.co/lockrattler-systhist/>
I won’t try to explain something that he has explained far better than me here
https://eclecticlight.co/2019/07/12/how-do-you-get-a-security-update-to-work/ 
<https://eclecticlight.co/2019/07/12/how-do-you-get-a-security-update-to-work/>

I hope this helps.

regards,

robin

> On 13 Jul 2019, at 5:16 pm, Alan Smith <[email protected]> wrote:
> 
> Malware Removal Tool (MRT) ver 1.45 was automatically installed by Apple a 
> few days ago to resolve an issue with the Zoom app.  It seems that “obsolete” 
> Macs do not get the automatic update.  What is the best way to manually 
> download and install MRTConfigData 1.45?
> 
> My family group has three obsolete Macs - a MBA 2012, iMac late 2012 and iMac 
> late 2009 - as well as more recent model Macs.  All the obsolete  Macs had 
> the Zoom app installed in the past so probably have the bad local web server 
> still installed. 
> 
> The last MRT patch installed on the 2009 iMac was ver 1.35 dated June ’18.  
> Should all MRTConfigData files from ver 1.35 to 1.45 be installed?
> 
> The 2009 iMac has macos High Sierra, all others have macos Mojave.
> 
> Cheers
> Alan
> 
> -- The WA Macintosh User Group Mailing List --
> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
> Settings & Unsubscribe - 
> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>

-- The WA Macintosh User Group Mailing List --
Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>