I just received a e-mail from healthunlocked with reference a problem.
With my I-pad
The advise given was to clear cookies and cache from the settings.
This will apply to all browsers.
Over the past few days you will have been-loading and unloading different pages, which may have a glitch, the cookies and cache may have retained some of these errors.
By clearing you cookies and cache you start with a clean sheet,
Of course this will effect other websites, so you may have to resign in to any where details are remembered , not all will be affected.