Win7/win8.1 system open the chm file after a blank how to solve

  
1, chm file is common in the manual, in the win7/win8.1 system, due to the use of UAC, so that the original chm file in the xp browsed blank Cannot display properly.
2, right click on the property, check [Unlock] and then re-open, you can display it normally.

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