I'm in a pretty bad way with my MacBook, I seem to have "bricked" it. This is a repost of something I posted on an apple specific board and haven't heard a response back yet:
I apologize in advance if this question has been asked (a search for lockscreen.app gave me nothing), or if this is the wrong forum area. (I'm sure a moderator can move it.)
The problem I'm having is this: I wanted to assign the "squeeze" option on my Mighty Mouse to trigger my screen saver (thus locking my screen, since I have to enter my password to get back). I assumed that the screen saver was a .app, the way expose, the dock, and spaces are. So in searching through the Utilities, I found something called LockScreen.app and tried that out, which was apparently a huge mistake.
What happened was my screen showed me a full sized picture of a closed padlock, and the computer became unresponsive. I was unable to come up with any key combination to break out of it, or to use cmd+opt+esc to break out.
I decided the only thing I could do was to shut down the MacBook. Now, however, it will not boot back up. I power it up, it shows me the "Leopard" background and the dialog box to enter my admin password (which I have it set to do on boot-up), and then the dialog box disappears leaving me with a locked screen after I enter the password. I don't know what to do, and I do not want to reinstall Leopard and lose all my data. I'm still in the middle of switching over from my PC, and I am not sure what info I have backed up where yet. I could potentially lose some important stuff.
Any suggestions would be helpful, at this point. Why is there a program that does this? What purpose does it serve?
I did Google it. All I got were forum/blog posts that told me not to run the program, and several forum threads about how to change the padlock image.)
Edit again: This seems to be the location of the app: /System/Library/CoreServices/RemoteManagement/ AppleVNCServer.bundle/Contents/Support/LockScreen.app
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