Uninstall Sophos EndPoint from MAC computers

I am rolling out Sophos EndPoint on MAC computers, i have created the package, on some of the computers its already running older version of MAC, when i uninstall it (applications-->Trash) restart the computer and try to install newer version of MAC it says, its already running Sophos Endpoint, not sure how to completely remove it?
Any help will be greatly appreciated...I am not good in MAC usage.....
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LeoAsked:
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LeoAuthor Commented:
getting the following error as well on some computes....
MAC.jpg
Davis McCarnOwnerCommented:
EdTechyCommented:
It looks like Sophos has retired support for os x 10.5
http://www.sophos.com/en-us/support/knowledgebase/119018.aspx 
So I would guess that the installer will not work in 10.5 and is causing the error.
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LeoAuthor Commented:
What about the error i am getting? "Cannot Install this version of Sophos Installer with this Version of MAC "
Davis McCarnOwnerCommented:
EdTechy answered that.  Support for 10.5 ended in April.
LeoAuthor Commented:
So leave the computers which are showing an error that Sophos cant be deployed on them?
Davis McCarnOwnerCommented:
Unless the older version still gets updates....
You might check out ClamXAV for them if it doesn't: http://www.clamxav.com/
LeoAuthor Commented:
This removes the older version "Cannot Install this version of Sophos Installer with this Version of MAC "
downloads.sophos.com/inst/lOuP9B_GUlJNkYhUqCBXEAZD00MzIy/savosx80sa.dmg


And this removes Sophos.
https://www.sophos.com/support/knowledgebase/119018.aspx

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LeoAuthor Commented:
Found the answer by myself, tested it and its working.
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