An employee reports that their workstation has been performing very sluggishly, especially when switching between applications and opening new ones. After observing the behavior and reviewing the system specifications, you have confirmed that the hardware resources meet the requirements of the installed applications. What should be the NEXT step in troubleshooting this issue?
Reboot the computer to resolve temporary software glitches.
Increase the physical RAM to add more resources.
Defragment the hard drive to optimize file storage.
Run the System File Checker (SFC) utility to check for corrupt or missing system files.