CreditLine Service

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Payment Processing Software Library


Get it...

Credit Card Software

Install it...

Upgrade & Migration

Connect to it...

Point Of Sale Integration

Set it up...

Quick Start Guide
Processor Setup


Learn to use it...

Manual & User Guide
Knowledge Base
Frequently Asked Questions
Compliance Guide
Merchant Account Rates
User Interface Guides

Fix it...

Errors & Troubleshooting
Knowledge Base
Corrupted Install Repair

Get Help...

Processor Support Contacts

More Info ...


See also...

911 Software

CreditLine Payment Processing Software Setup. This site can also be reached at

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Version Information

These instructions are for versions 4.1 Build 1101 SP8 For earlier versions, see CreditLine Service Legacy.

Please make sure to use the latest version available from the web site (

Windows Service

The newer versions 4.1 Build1101 SP8 and higher feature Windows Native Service that is installed automatically. Simply answer YES when prompted to install the software as a Windows Service.

Upgrade to Native Windows Service

If using verion 4.1 Build1101 SP14 and higher, CreditLine will automatically uninstall the old service and install the new one.

ONLY if using an older version below 4.1 Build 1101 SP14, follow the following procedure:

  1. Remove the old service, if installed
  2. Batch out all journals
  3. Uninstall the older software
  4. Install the newer version on top of it.