The installer has insufficient privileges to modify the file C:Program FilesIntuitQuickBooksCfScan.DLL or File Can be C:Program FilesIntuitQuickBooks YEARQBONLI32.DLL or File Can be C:Program FilesIntuitQuickBooks Point of Sale X.0dataimporter.exe during the installation the above error message Occur with QuickBooks Error 1321. We Incorporate the solutions to Fix QuickBooks Error 1321 or Dial (844)-888-4666 for the appropriate solution as per your QuickBooks version.