To fix INTERNAL ERROR B109-11: Cannot decompress setup program:

1)  You will need to delete your temporary internet files and cookies:

• Go to your browser Tools menu and select Internet Options.
• On the General tab, click on the Delete button in the Browsing history section.
• Depending on your browser version you will have either buttons to click on individually or boxes to check.
• Select or click on the button for the following items:
  • Temporary Internet files
  • Cookies
  • History
  • If you have the option and you would like to maintain your favorites, select Preserve Favorites website data.