This error message is usually displayed when you have been cut off from your Internet connection in the middle of downloading the application. You will need to delete the corrupted file from your computer and download the application again. Use the file size and MD5 information provided on the download page to ensure that the file you have downloaded is the correct size and from a reliable source. More information on using MD5 to check the integrity of the download can be found in the Related Posts section below. If you continue to download a corrupted version delete your temporary internet files and try again. If you still experience problems please contact us confirming you have followed these instructions and request the application to be emailed to you. Remember to indicate what application you require.