the setting is a toggle, you check mark it and save preferences and QB sets or resets an internal flag and you start seeing those messages as you enter transactions

once saved the check mark is toggled back to off

to void a check, bring the check up on screen, use the […]

Resolution for 'check up issue: 'Permanently change prefernces' available: Yes.

The check up 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 check up issue yourself by looking for a resolution described in the article. If it is a complex check up issue or you are unable to solve the issue, you may contact us by clicking here or by using other check up support options.

For more information about resolving issues related to check up in Quickbooks/QBO or to get support for the issue 'Permanently change prefernces', click the link below: