A user reports that a laptop with a recently upgraded operating system is now slow to respond when launching and switching between applications. After verifying that the hardware specifications are adequate for the upgrade, which of the following actions should the technician perform NEXT to address this issue?
Temporarily disable the antivirus software to boost performance.
Conduct a system file check to locate and repair damaged operating system files.
Perform a clean installation of the operating system.
Check and potentially increase available system resources.