Hello, Welcome to MalwareTips.
I'm nasdaq and will be helping you.
If you can please print this topic it will make it easier for you to follow the instructions and complete all of the necessary steps in the order listed.
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Remove this program in bold using the Control Panel > Programs > Programs and Features...
App Explorer (HKU\S-1-5-21-3312655176-3421380138-4224709343-1001\...\Host App Service) (Version: 0.273.4.677 - SweetLabs)
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Please download the attached Fixlist.txt file to the same folder where the Farbar tool is running from.
The location is listed in the 3rd line of the FRST.txt log you have submitted.
Run FRST and click Fix only once and wait.
The Computer will restart when the fix is completed.
It will create a log (Fixlog.txt) please post it to your reply.
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Please post the Fixlog.txt and let me know what problem persists.