ERROR: Error 1335.The cabinet file 'Data1.cab' required for this installation is corrupt and cannot be used. This could indicate a network error, an error reading from the CD-ROM, or a problem with this package.

If you haven't already copy the files locally to the client / server you are installing.

I am guessing you may have already done that which is why you are getting the error.

If so the highlight at least the installer file (setup.exe or browser.exe), right click and select properties

In there you will see a message about the file being copied from the internet - you can there click the botton or tick the box to allow it to run

Dont have an example to hand to show you but this is similar to what has happened to me in the past and it was all down to being copied from one system to the other

You may need to select more files and do the same but it is usually the installer itself referencing the other files

Hope this helps

Are you running as an administrator (right click - Run as Administrator) - can be caused by User Access Control on 2008.

Failing that is there any AV running? There is a postgre issue with the 7.5 client on Windows 2008 ( http://www.symantec.com/docs/TECH182539 ) but that does not seem to be what you are getting.

Do make sure all pre-requisites have been made - run the Environment checker from the browser.exe screen first in case something is missing

Also do it locally rather than over a TS Session

Hope this helps

.I'm sure there are an issue with msi inside the OS

Then you need to post on Microsoft forum....

thanks for your comment.please could you give me more details how to perform this comparing the chksum? Regards,