I was able to post
as well as log out so I think somehow her browser has something going on that shouldn't be. I would look in the Tools-Internet Options menu and in there on the Temporary Internet Files area click the Settings button to see how often the browser will check for newer versions of pages. Also one thing that sounds small but makes logging in impossible if this is wrong-is the date. Ask her to check the date on her computer and if it is off that will fix the trouble for her. It definitely is something with the browser though since she could access the board and the description makes me think the date is set wrong, so make sure she looks at that and let us know if that was the trouble or not and if it wasn't then we can go from there.