If you want to uninstall your “SAP Host Agent” , just follow the steps below , services will be uninstalled and installation directory will be deleted after the process…

Before the process services screen look like below;

Open Command Prompt and go to Agent directory

Default directory –> Windows: C:\Program Files\SAP\hostctrl\exe 

Execute the following command ;

saphostexec.exe -uninstall

After the process related services will be gone