Which troubleshooting option should you use?

You install Windows 8 on a desktop computer and install a third-party desktop app. The
computer runs optimally until you install another third-party desktop app.
You need to remove only the most recently installed third-party desktop app.
You start the computer from a system repair disk.
Which troubleshooting option should you use?

A.
System Image Recovery

B.
Remove everything and install Windows