Can't add featured image in WordPress 3.5

asked Jan 27, 2013 in Website Builder by sally23 (1,250 points)
After upgrading to WP 3.5 I have not been able to add featured images. When I try to upload the image, the page shows but its just blank and it wouldn’t close.
how can I fix this? Please help?

1 Answer

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answered Jan 27, 2013 by expert (14,380 points)
Try disabling all your  plugins and also try switching to the default theme.