To save you issues here are a few things to check.

1.  If you are running internet explorer please check your internet options for "check for newer versions of stored pages" is checked on "Every time I visit the webpage".  You can always set it back after the seminar.

   Instructions to do this in internet explorer:
    

   1. Go to tools
      :
      
       
   2. Scroll down to internet options
      
      
       
   3. Choose settings under browsing history
      
      
       
   4. Then check "Every time I visit the webpage"
      
      
       
   5. Click Ok and Apply  and close the window. 

    

2. Make sure you have the most current version of Flash installed on your computer.  You can get the most current version here
    
3. Make sure you have the most current version of Shockwave installed.  You can get the most current version here
    

Internet Explorer Protected Mode

Sometimes  Internet Explorer employs an additional security feature called Protected Mode. Protected Mode restricts access to certain files, folders and registry settings on the workstation. Protected Mode is enabled by default for sites in the "Internet" zone. Users have two options when encountering these errors.

1. Disable Protected Mode
2. Add appropriate URLs to the "Trusted Sites" zone

To read more about Enable Protected mode see Understanding and Working in Protected Mode Internet Explorer

Note: Depending on your workstation privileges, you may get a User Account Control prompt to enter the administrator password if you attempt to make changes related to Protected Mode.

Resolution

Add trusted sites:

1. Open Internet Explorer.
2. Select Tools.
3. Select Internet Options.
4. Select the Security tab.
5. Click the Reset all zones to default level button.
6. Select the Trusted sites zone.
7. Select the Sites button.
8. Uncheck the box named Require server verification (https:) for all sites in this zone.
9. Add each of the following URLs to the list of trusted sites:
   *.dhpseminars.com
    
10. Select Close.
    
    
11. On Vista workstations only: with Trusted Sites still selected, uncheck Enable Protected Mode.

    

After you add the URLs to the Trusted Sites list, Internet Explorer will allow you to install or reinstall required plug-ins.