You have installed a financial asset management application on your Windows computer. Now your computer is sluggish and doesn't seem to be working well. What should you try first to get the computer to troubleshoot the issue?
a. Reverse the last Windows update.
b. Restore the system to a previous version of Windows using Windows media.
c. Restore the system to a previous version of Windows using a recovery drive.
d. Restore the system from a restore point saved before the app was installed.