***** If you think my answer has helped - please provide me with a Kudos rating and mark as Helpful Answer!! I do not work for Virgin Media - all opinions expressed are of my own and all answers are provided from my own and past experiences. Office 365, Dynamics CRM and Cloud Computing Jedi
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I'm sorry to hear that you're having this problem. If you're having an issue with a specific browser then I would advise clearing your cache and cookies as @Graham_A has recommended to see if that helps at all.