Facebook and Twitter Posts not Working in Notification Center??!

Question

Ok right now I am REALLY confused. About a week ago, I went to post something on twitter. Naturally, instead of having to go to twitter.com and signing in, I used the Notification center "Click to Tweet" button to make my post. It worked just as you would expect. The little screen popped up, I typed my post and tweeted it.
Just a few days ago, both the Tweet and Facebook Post buttons stopped working. I can click on them all I want, but the little index card-like screen never shows up. I don't know what the issue is, since I had both buttons working a few days ago. To try solving the issue I:
1. Went into the settings for notifications and "Hid" the buttons from Notification center (that didn't work)
2. Removed both my accounts from my laptop and re-added them (that didn't work)
3. Checked to see that the password was correctly typed in... it was (and that still didn't work)
The only thing I have left to do is try shutting down my laptop and restarting it. However I recently had some iPhoto software updates that required the laptop to be restarted. Even though this was after the problem started, it still didn't fix it.
One more thing to note is that in Safari where the "Share" button is... that still works fine. I shared a website I was on to Facebook and it posted successfully. The only problem is the functions in Notification Center.
If anybody has a solution to this issue where the Tweet and Facebook Post buttons stop functioning for Notification center, I would really appreciate it. Thanks
- Dan (ThunderBow98)
NOTE- One other thing. Notifications from Facebook and Twitter still work, however. For instance, I just got a friend request approved on Facebook and that appeared as it should with the little banner notification as well as it appearing in my list of notifications. Somebody re-tweated my tweet and that appeared there too. The only thing that isn't working is the posting features.

Answer 1

First, I would eject whatever it is that you downloaded. Go to Finder and eject it that way or depending how you have your system set up, do the two finger tap and Eject it. Download the link above. Once it downloads, double click it to install it. It should work. If it doesn't you need to use your Disk Utility to check for errors. Click your Finder again and then Applications. Scroll down to Utilities and then Disk Utility. Click on your hard drive and you will get a menu of items on the right side. Towards the bottom, you will see a button to Verify Disk Permissions. Click that and let it run. It may take a few minutes to finish. Once it's finished there may be a list of things wrong with your system. Click the Repair Permissions and let the computer do it's thing. Use Disk Utility at least once a month to make sure everything is in order on your system. If this doesn't fix it, I don't have any other suggestions. I'd hate to say do a fresh install but that might be the next step if this doesn't work.
Something else to consider is that is if you use Time Machine and the system did work at one point, you could go back to the last known good point and reinstall that back-up. You would lose anything you have saved since that point (obviously). If you take steps to back up your information, that should not be an issue. (For me), Time Machine works as advertised. If you are not backing system up regularly, shame on you. You need to start ASAP backing up. It's an easy process and it's times like you are having now, that make the small preventive maintenance, worth extra time and effort.
Good luck.