Possible adware: ⓘ
Unknown file: ~/Library/LaunchAgents/com.CoreUpdates.agent.plist
/Applications/CoreUpdates/CoreUpdates -guid 36301678938510947 -source sup-1720
Unknown file: ~/Library/LaunchAgents/com.MyCouponize2.agent.plist
/Applications/MyCouponize2/MyCouponize2 -guid W8917ATF8QR -source upd-1745 -brand MyCouponize2 -dt 1510506636 -home ~ -tracking_url http:/events.mycouponizemac.com
Unknown file: ~/Library/LaunchAgents/com.MyMacUpdater2.agent.plist
/Applications/MyMacUpdater2/MyMacUpdater2 -guid W8917ATF8QR -source upd-1745 -url http:/request.macmymacupdater.com/macCheckForUpdates -brand MyMacUpdater -current_version 1001
Unknown file: ~/Library/LaunchAgents/com.OptiBuy.agent.plist
/Applications/OptiBuy/OptiBuy -guid 36301678938510947 -source sup-1720 -brand OptiBuy -dt 1494892114 -home ~ -tracking_url http:/events.optibuymac.com
4 possible adware files found. [Remove/Report]
Clean up: ⓘ
com.apple.CSConfigDotMacCert-@me.com-SharedServices.Agent.plist
/System/Library/Frameworks/CoreServices.framework/Frameworks/OSServices.framewo rk/Versions/A/Support/CSConfigDotMacCert -l ~/Library/Logs/CSConfigDotMacCert-@me.com-SharedServices.log -u [redacted]@me.com -t SharedServices -s
Executable not found!
One orphan file found. [Clean up]
Run the report again and click [Remove/Report] and [Clean up].
Did Safari work in another account? Once the above is removed, try again. If it still doesn't work, post another Etrecheck report.