Monday, 8 November 2010

Compiled help files (.chm) not working

Here’s a quicky that’s bugged me a few times and I can never remember the solution.

Sometimes when you download a .chm file, open it and try to navigate around you get an “address is not valid” error such as the following:


The solution is quick and simple:

  1. Right-click the .chm file and then click Properties.
  2. Click the Unblock button.
  3. The .chm file may now be opened and will work normally.