Can't switch screensaver

When I open System Preference and then go to Desktop/Screensaver, when i select the screensaver button, it pauses and then the "application quit unexpectedly" window pops up. I reopen it, and it happens again, then I do it a third time and opens but when I select a new screensaver it does not change, my old screensaver remains activated. Anyone else ran into this problem? any suggestions?

Hi, kdukez. Welcome to the Discussions.
1. Try the following:1. Quit (Command-Q) System Preferences if it is open.
2. Trash the com.apple.desktop.plist file in your Home > Library > Preferences folder.
3. Trash the following files in your Home > Library > Preferences > ByHost folder:
(a) com.apple.screensaver.xxx.plist
(b) com.apple.screensaver.screensaver_name.xxx.plist
where:- xxx is an alphanumeric string, and
- screensaver_name is the name of a screen saver you have used.Whether preferences files of the type shown in (b) exist depends upon the screen saver and if you have changed its options, if any.
4. Log out, then log in or restart your Mac.
5. Empty the Trash.
6. Open System Preferences > Desktop & Screen Saver and make the desired changes.2. If you are using the Computer Name screen saver, see my "Computer Name screen saver appears as a folder" FAQ. Under certain circumstances, this screen saver can cause System Preferences to crash.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link. X

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