Error 1330 in QuickBooks POS. Call ☎ 1800-865-4183 for instant help.


Error 1330 indicates an invalid data signature while attempting to reinstall POS version 7 on Windows XP. It is marked as a fatal error that user usually encounters during installation of the POS updates released by QuickBooks. While installing the software update the error occurs and the error code 1330 is displayed.

The user faces this fatal error due to the assigned digital signature to the cab files in the background. These digital signatures are dated and compared to the system date. When the error occurs the user needs to reset the system date. This error is actually a Windows error. It is recommended to uninstall the POS to fix the damaged data cab file.

Steps to Fix the POS Error 1330

  • Download the Point of Sale update
  • Shut down all the Point of sale POS services and processes by the below steps:
    • Open Task Manager -> Go to the Processes tab
    • Shut down the following processes:
      • dll.exe
      • pos-config.exe
    • End up the following POS services: QBPOS Database Manager vXX (where XX refers the POS version you are using)
      • Search services.msc
      • Going to the Services window -> Search for QBPOS Database Manager vXX (where XX again refers to the POS version you are using)
      • End up the POS service and close the services window.
    • Erase the data of the product update folder:
      • Click Windows Start -> Select Open Windows Explorer
      • Show the hidden Windows folders
      • Search in the left window to: C:Documents and SettingsAll UsersApplication DataIntuitQuickBooks POS XXUpdate (where XX refers to the maximum number of versions used).
      • Click a file -> Choose Delete -> Confirm to delete. Follow the same process till the folder is empty.
    • Once done close the Windows Explorer and update POS service by using the downloaded file.

Contact QB Experts to resolve :

In case the issue still continues you can restart your computer in the Selective Startup mode and update Point of Sale through the external update file. Then uninstall and again reinstall the POS software and finally update Point of Sale using the external update file.

In case you face any inconvenience and still face QuickBooks Point of sale error 1330 you can contact QuickBooks POS Support. The experienced QuickBooks experts will guide and assist you to fix your Point of Sale error 1330 and successful product update. You can connect with them through the email support mode and live chat option.

Alternatively you can choose to connect with that is a reliable QuickBooks consulting firm hiring top QuickBooks professionals. They are efficient in handling QuickBooks errors and seamlessly resolving them. They assure complete resolution in a minimum wait time. Call to the toll free number +1-800-274-4168 and garner the best QBPOS services. Also you can contact our experts online by the ‘online chat’ option on our website

Connect with us…

QuickBooks Support for POS

Do not worry about just give our experts a feedback of your issues or error code which solutions you are not getting from here, and our Experts will contact you as soon as possible and they will assist you to resolve the error or issues instantly so that you can use QuickBooks POS with an ease. So hurry now and contact the expert team to get your error or issues resolved.


The same solution applies for the below given queries:

  • Error 1330 Invalid Digital Signature
  • Error 1330 Quickbooks Pos
  • Error 1330.A File That Is Required Cannot Be Installed
  • Error 1330 Cabinet File Corrupt
  • Error 1330 Data1.Cab Invalid Digital Signature
  • Fix Error 1330 Invalid Digital Signature