Final answer:
To resolve the problem of a newly installed application running every time the operating system boots, a technician can use the tool MSCONFIG.
Step-by-step explanation:
To resolve the problem of a newly installed application running every time the operating system boots, a technician can use the tool MSCONFIG. MSCONFIG is a utility that allows users to manage startup programs and services. By using MSCONFIG, the technician can disable the application from starting up during boot, which will eliminate the delay during startup.