When you install SAS 9.1 or renew your SAS 9.1 Foundation using the Renewal Tool Wizard, the following dialog box might appear:
The SAS Installation Data file selected is invalid
This issue appears because the last EOL character is being deleted by your HTML-based email client. This causes the install and renewal process, which expects an EOL character at the last line, to fail to read the last line. The last line is critical in that it tell the tools the file processing has completed successfully. To fix this issue, add a blank line at the end of your SAS Installation Data (SID) file: