wp-sleuth

I had the exact same problem. The only way I was able to fix it was by deactivating the Custom Fonts plugin. Will check back now and again to see if any updates address the problem.

@jbiggs77:

I used a program offered through my hosting service to access my web directories and uploaded files one-by-one (ugh), but I think anything other than Windows FTP might make a difference. I changed the file permissions in the wp-admin and wp-includes directories, particularly files in the js and css folders.

@emsi: Thank you. I uploaded my files again using a different method. I originally used FTP. I also changed my file permissions from 644 to 755. This resolved the problem.

@jbiggs77: I am always glad to know when I’m not the only one facing a particular problem. Thanks.

I’m having this same problem as well with WP 3.3.1. No plugins. Problem appears with any theme.

Problem: ‘Upload media’ button not working; ‘Featured image’ link not woking
What happens when I click them? Nothing

Installation: WordPress 3.3.1, fresh upload, new site
Affected themes: TwentyTen, TwentyEleven, among others
Plugins: None

Observation:

If I scroll down far to the bottom of the page, I see a small corner of the ‘Upload media’ pop-up window on the left side. I cannot scroll any further left. In other words, the pop-up window is appearing far outside the viewable area of the screen, and it is inaccessible.

Also, in the web developer console in Firefox, many errors appear when I click on ‘Upload media’ that are associated with color-fresh.css in wp-admin. (Example: “Error in parsing value for ‘white-space.’ Declaration dropped.”)

Does anyone have any suggestions?