[Resolved]: Why .CHM File Not Opening On My Windows 2008/7/8/10 ?

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Why .CHM File Not Opening On My Windows 2008/7/8/10 ?
Why .CHM File Not Opening On My Windows 2008/7/8/10 ?

Why “.CHM File Not Opening On My Windows” 2008/7/8/10 ?

.CHM File Not Opening On My Windows :According to Microsoft Security Updates 896358 & 840315 block display of .CHM file contents when opened from a network drive (or a UNC path). This is window’s attempt to stop attack vectors for viruses/mal-ware from infecting your computer and has blocked out the .chm file that draw data over the “InfoTech” protocol, which this chm file uses.

Solutions :

How to Open .CHM File On Windows 2008/7/8/10, When it was in local drive

If you are using Windows Server 2008, Windows 7, Windows 8.1, Windows 10, windows has created a quick fix. Right click the chm file, and you will get the “MyFile.chm Properties” dialog box, at the bottom, a button called “Unblock” appears. Click Unblock and press OK, and try to open the chm file again, it works correctly. This option is not available for earlier versions of windows before WinXP(SP3).

Why .CHM File Not Opening On My Windows 2008/7/8/10 ?
Why .CHM File Not Opening On My Windows 2008/7/8/10 ?
Why .CHM File Not Opening On My Windows 2008/7/8/10 ?
Why .CHM File Not Opening On My Windows 2008/7/8/10 ?

 

How to Open .CHM File On Windows 2008/7/8/10, When it was in network drive

Solve the problem by moving your chm file OFF the network drive. You may be unaware you are using a network drive, double check now: Right click your .chm file, click properties and look at the “location” field. If it starts with two backslashes like this: \\server\blah\, then you are using a networked drive.

So to fix it, Copy the chm file, and paste it into a local drive, like C:\ or E:. Then try to reopen the chm file, windows does not freak out.

.CHM File On Windows 2008/7/8/10, When it was in networked drive

Last resort, if you can’t copy/move the file off the networked drive. If you must open it where it sits, and you are using a lesser version of windows like XP, Vista, ME or other, you will have tomanually tell Windows not to freak out over this .chm file.

How to Open .CHM File with Registry Fix:

  • http://www.winhelponline.com/blog/fix-cannot-view-chm-files-network-xp-2003-vista/
  • http://blogs.msdn.com/b/neerajag/archive/2006/04/26/584144.aspx