This problem can be generated if your proxy settings are not valid, your website is in the list of restrictions, your cookies are corrupted, or because of the the add-ons from of browser or registry corruption. In order to fix this problem, you can try several things. First, make sure that the things mentioned above are not the reason why this is happening; check your proxy settings, clear cookies, try to disable or update your add-ons. If this didn't fix your problem, try to update the Adobe Air and Adobe Flash Player to the latest version available. You can visit the following official website for the latest updates.