Which year of QB are you using? If it is no longer supported, that is your problem.
Resolution for 'code 12007 issue: 'cannot set to automatic updates, error code 12007, assistance required…' available: Yes.
The code 12007 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 code 12007 issue yourself by looking for a resolution described in the article. If it is a complex code 12007 issue or you are unable to solve the issue, you may contact us by clicking here or by using other code 12007 support options.
For more information about resolving issues related to code 12007 in Quickbooks/QBO or to get support for the issue 'cannot set to automatic updates, error code 12007, assistance required…', click the link below: