QuickBooks Error 1335 means the cabinet file (data1.cab) needed for ongoing installation is corrupt or damaged. Plus, the cabinet file (2), which is another vital file for this installation is not usable. QB Error 1335 is indeed a Microsoft Windows error that takes place while updating the accounting software or repairing its installation. https://www.businessaccountings.com/how-to-fix-quickbooks-error-code-1335/