3.3 update insert images to post issues

read the troubleshooting 3.3 master list: http://wordpress.org/support/topic/troubleshooting-wordpress-33-master-list

try:

– deactivating all plugins to see if this resolves the problem? If this works, re-activate the plugins one by one until you find the problematic plugin(s).

– switching to the default theme to rule out any theme-specific problems.

– re-uploading all files & folders – except the wp-content folder from a fresh download of WordPress. by using FTP or whatever file management application your host provides.