Have you ever encountered the CHM file that you cant open on the  remote server?

 

1. There is a case: you can try to install the following plug-in to solve, double-click the window below the emergence, choose yes ".
2. There is another case: Windows system security restrictions that customers can not view the page . If this is the case, you can refer to the following case solution:

 

Summary Microsoft Security Updates 896358 & 840315 block display of CHM file contents when opened from a network drive (or a UNC path). This is windows 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. Microsofts summary of the problem: http://support.microsoft.com/kb/896054 Solutions 1.If you are using Windows Server 2008, Windows 7, windows has created a quick fix. Right click the chm file, and you will get the "yourfile.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). 2.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: \\epicserver\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. 3.Last resort, if you cant 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 to manually tell Windows not to freak out over this .chm file. HHReg (HTML Help Registration Utility) Utility Automates this Task. Basically you download the HHReg utility, load your .chm file, press OK, and it will create the necessary registry keys to tell Windows not to block it. For more info: http://www.winhelponline.com/blog/fix-cannot-view-chm-files-network-xp-2003-vista/