Unlock Windows Help File (CHM)

If HTML-based content is downloaded under Windows, Windows first classifies it as a security risk.

To unlock the IYOPRO-CHM help file, please do the following:

  1. Open Windows Explorer and locate the downloaded CHM file

  2. Open the file properties with a right click with the mouse on the file

  3. Click “Allow” as shown below

  4. Confirm the change with OK. Then the help file can be opened as usual.

Properties of IYOPRO User Guide.chm