HELP - Preview Application Broken

redonion

Registered
So, I'm working away today on my iMac OS X 10.6.4 Mainly just screwing off visiting social networking sites on the web. Later, I minimize my windows, and notice the icons on my desktop are a little strange. Upon further research, all the folder icons are gone (or they are transparent). You can see the folder name, but no icon associated with the folder. Also, all my pdf, jpg, png, etc are now associated with Adobe (either Acrobat or Photoshop CS). They used to be associated with the Application "Preview".

I've rebooted and tried a lot of other things to restore icons, and nothing has worked. Here is what I have found. I dont think it's an icon problem, I think it's a "Preview" problem.

If I click on the "Preview" icon nothing happens. If I right click on a jpg (for instance), and select "Open With" - Preview is not there.

If I Choose "Open With Other..." within the Application folder, "Preview" is grayed out.

If I select "Enable All Applications" then "Preview" is no longer grayed out. But when I select it, and select "Open", nothing happens.

Everything "appears" to be working normally. Just I no longer have any folder icons on the desktop or within finder. And I am no longer able to open anything within "Preview" All my files are now associated with another application (which works fine) but not with preview.

Wish I could attach an image here then you could see exactly what I'm talking about. I've spend a couple hours now trying to figure it out. Still no solution.

Help? Anyone?
 
So far I have tried rebooting. I've tried, changing the screen resolution, I've tried logging in as a different user, I've restarted Finder using the command line killall Finder), I've tried "View > Clean up", I've deleted com.apple.finder.plist and com.apple.FolderActions.plist then restarted, and I've reset my NVRAM by rebooting while holding down Command-Option-P-R. So far nothing has worked.

Any more suggestions or idea?
 
Boot with the 10.6. install disk and run Disk Utility from the disk. If you threw away the 10.6 disk (that ALWAYS is a BAD IDEA) then try the next steps:

1. Restart into Single-User Mode.

2. At the Single-User Mode prompt type the command
Code:
/sbin/fsck -fy[/code
.

3. If by the Apple document it din't have any problems type the word: reboot. This will boot you back into OS X proper.

Hope this helps.
 
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