What to do if HTML files cannot display normally in Internet Explorer after installing Windows XP Service Pack 2 (SP2)?

After Windows XP Service Pack 2 (SP2) has been installed, Internet Explorer will show the message: File is unable to display normally when opening HTML files ( ) stored in the hard disk or CD/DVD,.

Information bar:
To help protect your security, Internet Explorer has restricted this file from showing active content that could access your computer. Click here for options...




After Windows XP Service Pack 2 (SP2) has been installed, HTML files may have potential fatalness (virus-infected program and so on). Therefore Internet Explorer adds the function of restricting HTML files and prompts are displayed in information bar..



Please enable HTML files via the following methods to properly display the file contents.

Note: 
Enabling may lead to the running of malicious program contained in HTML files.
When performing this setting, please check carefully whether the origin of HTML files is safe.

1. Click Start and click Control Panel.

2. Click Network and Internet Connections.
   
   

3. Click Internet Options.
   
   

4. When Internet Properties appears,click Advanced.
   
   

5. Check the following items in Settings accordingly.
   
   
   • To enable HTML files on CD/DVD drivers, please select:
     Allow active content from CDs to run on My Computer
     
     
   • To enable all HTML files on computer, please select:
     Allow active content to run in files on My Computer
   
   

6. Click OK.