When you download a CHM file to your computer, Windows* security may block opening the file to protect your computer. When you attempt to open the file, the content might not display at all or might only display a topic list.
Follow these steps to unblock Windows security:
When you click on the link to a CHM file, choose Save
Figure 1. Save File to Computer
- Open the folder where you saved the file
- Right-click on the file
- Select properties
Click the Unblock button. If you do not have an unblock button, skip to step 7.
Figure 2. Unblock File
- Click on Apply
- Open the file
This applies to: