Cant rotate pics (windows photo gallery)

Happy new year folks!

Ive just loaded up some pics from my digital camera to my usual 'My
Pictures' folder and for some reason it wont let me rotate any of them.
Its never happened before and the message I get when i right click and
select rotate clockwise is 'YOU CAN NOT ROTATE THIS IMAGE. THE FILE
MIGHT BE IN USE OR OPEN IN ANOTHER PROGRAMME, OR THE FILE OR FOLDER
MIGHT BE READ ONLY'

Its not read only and its not open in any other programme so im totally
confused, when i open it in windows photo gallery I can rotate it but
when I exit the programme I get this 'CHANGES TO THIS PICTURE HAVE NOT
BEEN SAVED BECAUSE IT IS OPEN IN ANOTHER PROGRAMME'

Any ideas anyone? Thanks you all x


--
richmelvin
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