1. Log on to your computer and click on the 'Start' button. Choose the 'Run' option from the menu.
2. Wait for the 'Run' box to open, then type 'INETMGR' in the box and click 'OK.' Click the plus sign next to 'Local Computer.'

3. Click the plus sign next to 'Web Sites,' then the one next to 'Default Web Site.' Right-click on the folder where the installation file is located and choose 'Properties' from the menu.
4. Go to the 'HTTP Headers' tab and look for the 'Enable Content Expiration' option. Clear that check box and click 'OK.'
5. Try to install your program. The Windows Installer program should now run as expected.