Secure PDF - Error 18000 when making a payment
I am receiving an error message - “There was an error with your payment. Please check the details and try again : Error retrieving Client Site Settings 18000”.
Explanation
An incompatibility issue between Adobe 9 and Mac version 10.5 prevents the payment data from being transmitted.
| Adobe Version | Mac Version | |
| Adobe Reader 9.0.0 | Mac OS X Version 10.4.11 Tiger | Works |
| Adobe Reader 9.0.0 | Mac OS X 10.5 Leopard | Error |
| Adobe Reader 8 | Mac OS X 10.5 Leopard | Works |
| Adobe Prof 8 | Mac OS X 10.5 Leopard | Works |
Solution
There are 2 solutions to this problem
Upgrade Adobe Reader by following these steps:
To view and make a payment
There are 2 solutions to this problem
- Downgrade to Adobe Reader version 8 by clicking here
- Upgrade to a newer version of Adobe reader and open the document from within Safari.
Upgrade Adobe Reader by following these steps:
- Select "Check for Updates" from the Help menu in Adobe Reader
- Download and install the latest update for Adobe Reader 9. (Version 9.1.0)

To view and make a payment
- Open the email that contains the attachment.
- Save the attachment to your hard disk.
- Open the attachment using Safari using one of the following methods:
- Drag and drop the attachment onto the Safari icon in the dock.
- Open Safari and enter the path of the attachment on your hard disk in the address bar
- Enter your password when prompted
