I am having an issue updating existing posts on my 3.6.1 installation. I can pull up a post in edit mode and make changes, but when I hit the Update button, the font of the post changes in the edit window changes. If I hit the Update button a second time, the content of the post disapears and the post becomes blank.
I recently had an issue with a plugin and had to rename the plugin folder through FTP in order to get the admin screen up to deactivate it. I deleted the plugin. I'm pretty sure that the two issues are related, but have no idea how to troubleshoot. Any advice would be MUCH appreciated.