Problem with preview and Snow Leopard

I am having problems with Preview and Snow Leopard.

I can use Quick View to view jpeg files, but when I open them with preview. It does not display the correct image. It just displays a gray block.

The only way to resolves this is to delete the preview prefernce files, and then it works. But after a couple of restarts it goes back to not displaying the correct image.

Has anyone else had this problem, and how have they resolved it?

 

Problem with preview and Snow Leopard

I am still having a problem with Preview and Snow Leopard.

It is with any jpeg or image files, so it can't be a coding error.

I have done the following, and still no luck:

Repaired disk permissions
deleted Preview preference files
Deleted Preview, and installed again from System Discs using Pacifist
Setup another use, and tested from new user, with same problem

Any other ideas?

When I setup the Macbook, it was a migration from an older Macbook. So I am worried something was pulled across that is giving the problem.

I have done many migrations from other Mac's with 10.4 and 10.5 to 10.6 with no problem, so it must be something else.

Any help will be much appreciated.