Signed out of Dropbox and all seems well for now - good result and many thanks to Jonty Soper ! It was VERY frustrating! Hope it stays fixed. I haven't even tried to sign back into Dropbox just in case ......... Thanks again.
Yep - me too. VERY frustrating and I've tried the various steps I can find posted. In my application Manager all the buttons are greyed out and the cache always shows 12.00KB even just after I clear it. I can't look at pictures in Gallery.
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