copying from Acrobat Reader 5.0 document results in this ...?[Resolved]

[Pirate]

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It was working fine before . I could be able to copy from the pdf file to anywhere . Now , simply it copy but brings this junnk . It sounds like my clipboard doesn't support this for some reason .I know I can download the new version of Acrobat but I feel better with this version .

Any clue ?