I found a solution that seems to works – Switch to multi-user mode (This is done from the File menu and follow the prompts) then switch back to -Single user mode..

Resolution for 'Automatic Backup issue: 'The only way Automatic Backup works is by selecting “File” then “Close Company” when you just “X” out of the program auto backup only creates a 12kb .tmp file.. This is a COMPLETE FAILURE on the part of Intuit.As the backup feature worked in prior versions.' available: Yes.

The Automatic Backup issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the Automatic Backup issue yourself by looking for a resolution described in the article. If it is a complex Automatic Backup issue or you are unable to solve the issue, you may contact us by clicking here or by using other Automatic Backup support options.

For more information about resolving issues related to Automatic Backup in Quickbooks/QBO or to get support for the issue 'The only way Automatic Backup works is by selecting “File” then “Close Company” when you just “X” out of the program auto backup only creates a 12kb .tmp file.. This is a COMPLETE FAILURE on the part of Intuit.As the backup feature worked in prior versions.', click the link below: