Running El Capitan beta on MacBook...tried to install Sophos, but found out after not supported yet. Attempted uninstall but get the "SophosUIServer cannot be opened because of a problem" every few seconds.
Followed instructions on other posts and made sure that the following were deleted:
/Library/Sophos Anti-Virus /Library/LaunchDaemos/com.sophos.*
/Library/LaunchAgents/com.sophos.*
/Library/Preferences/com.sophos.*
/Library/Logs/Sophos Anti-Virus.log
/Applications/Sophos Anti-Virus.app
/Applications/Sophos Remove.app
/var/db/receipts/com.sophos.*
Rebooted, validated and still get pop-up...HELP!!!
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