Windows vista wallpaper on telephone / page 24

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Windows 7 on a green background

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Windows 7 logo on the background of abstraction

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Windows logo made of multicolored squares

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Windows 8 operating system logo

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A chic bright logo for Windows 8

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Minimalistic windows 8 logo on a brown background

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Windows 7 operating system logo

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Highlighted microsoft windows 7 logo on a black background

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Blue background for the screensaver for Windows 7 computer

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Windows logo. Logo on a black background

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Transparent Windows logo on a dark background

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Windows 7 is a custom operating system of the Windows NT family