Can't save posts when using Firefox on windows. Firefox version: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:188.8.131.52)
If I edit+save, it pops up dialog box "Are you sure you want to move away from this page..."
Am using wordpress regularly for nearly an year now. It used to be fine until about 4-6 weeks ago. No problems if using IE+Windows. No problems if using Firefox+MAC.