problem with sandcastle generated .chm help file?

i have generated a help fi开发者_高级运维le for my project using sandcastle,a .chm file. but the content can only seen when i open it in my machine. i have gave that file to several friends none of them can see the content of the file. what is the wrong?? how can i resolve it?? any problem with my configurations?? please help me guys!!!

regards, rangana.

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The file is probably marked as "From the Internet" and therefore seen as possibly dangerous by the internet explorer trying to display the file.

Right-Click the file, and click the Unblock button on the General property page.